Friendly fire
Encyclopedia
Friendly fire is inadvertent firing
Shooting
Shooting is the act or process of firing rifles, shotguns or other projectile weapons such as bows or crossbows. Even the firing of artillery, rockets and missiles can be called shooting. A person who specializes in shooting is a marksman...

 towards one's own or otherwise friendly forces while attempting to engage enemy forces, particularly where this results in injury or death. A death resulting from a negligent discharge
Negligent discharge
A negligent discharge is a discharge of a firearm involving culpable carelessness. In judicial and military technical terms, a negligent discharge is a chargeable offence. A number of armed forces automatically consider any accidental discharge to be negligent discharge, under the assumption that...

 is not considered friendly fire. Neither is murder, whether premeditated or in the heat of the moment, nor is deliberate firing on one's own troops for disciplinary reasons, as in these cases there is no intent to harm the enemy. Similarly, inadvertent harm to non-combatants or structures, usually referred to as "collateral damage
Collateral damage
Collateral damage is damage to people or property that is unintended or incidental to the intended outcome. The phrase is prevalently used as an euphemism for civilian casualties of a military action.-Etymology:...

", is also not considered to be friendly fire.

The term friendly fire was originally adopted by the United States military
United States armed forces
The United States Armed Forces are the military forces of the United States. They consist of the Army, Navy, Marine Corps, Air Force, and Coast Guard.The United States has a strong tradition of civilian control of the military...

. Many North Atlantic Treaty Organization (NATO) militaries refer to these incidents as blue on blue, which derives from military exercise
Military exercise
A military exercise is the employment of military resources in training for military operations, either exploring the effects of warfare or testing strategies without actual combat...

s where NATO forces were identified by blue pennants, hence "blue", and Warsaw Pact
Warsaw Pact
The Warsaw Treaty Organization of Friendship, Cooperation, and Mutual Assistance , or more commonly referred to as the Warsaw Pact, was a mutual defense treaty subscribed to by eight communist states in Eastern Europe...

 forces were identified by orange pennants. Another term for such incidents is fratricide
Fratricide
Fratricide is the act of a person killing his or her brother....

, a word that originally refers to the act of a person killing their brother.

Addressing friendly fire

Friendly fire is often seen as an inescapable result of combat, and because it only accounts for a small percentage of casualties, can often be dismissed as irrelevant to the outcome of a battle. The effects of friendly fire, however, are not just material. Troops expect to be targeted by the enemy, but being hit by their own forces has a huge negative impact on morale. Forces doubt the competence of their command, and its prevalence makes commanders more cautious in the field.

Attempts to reduce this effect by military leaders generally come down to identifying the causes of friendly fire and overcoming repetition of the incident through training, tactics and technology.

Causes

The primary cause of friendly fire is commonly known as the "fog of war
Fog of war
The fog of war is a term used to describe the uncertainty in situation awareness experienced by participants in military operations. The term seeks to capture the uncertainty regarding own capability, adversary capability, and adversary intent during an engagement, operation, or campaign...

" which attributes friendly fire incidents to the confusion inherent in warfare. Friendly fire that is the result of apparent recklessness or incompetence may fall into this category. The concept of a fog of war has come under considerable criticism, as it can be used as an excuse for poor planning, weak or compromised intelligence and incompetent command.

Fog of war incidents fall roughly into two classes:

Errors of position

Where fire aimed at enemy forces accidentally ends up hitting one's own. Such incidents are exacerbated by close proximity of combatants and were relatively common during the First and Second World Wars, where troops fought in close combat and targeting was relatively inaccurate. As the accuracy of weapons improved, this class of incident has become less common but still occurs.

Errors of identification

Where friendly troops are mistakenly attacked in the belief that they are the enemy. Highly mobile battles, and battles involving troops from many nations are more likely to cause this kind of incident as evidenced by incidents in the first Gulf War
Gulf War
The Persian Gulf War , commonly referred to as simply the Gulf War, was a war waged by a U.N.-authorized coalition force from 34 nations led by the United States, against Iraq in response to Iraq's invasion and annexation of Kuwait.The war is also known under other names, such as the First Gulf...

, or the shooting down of a British aircraft by a U.S. Patriot battery
MIM-104 Patriot
The MIM-104 Patriot is a surface-to-air missile system, the primary of its kind used by the United States Army and several allied nations. It is manufactured by the Raytheon Company of the United States. The Patriot System replaced the Nike Hercules system as the U.S. Army's primary High to Medium...

 during the Invasion of Iraq
Operation Telic
Operation TELIC was the codename under which all British military operations in Iraq were conducted between the start of the Invasion of Iraq on 19 March 2003 and the withdrawal of the last remaining British forces on 22 May 2011...

. According to CNN, the best-known case of such an accident was the death of Pat Tillman
Pat Tillman
Corporal Patrick Daniel "Pat" Tillman Jr. was an American football player who left his professional career and enlisted in the United States Army in June 2002 in the aftermath of the September 11, 2001, attacks. He joined the Army Rangers and served several tours in combat before he died in the...

 in Afghanistan, although the exact circumstances of that incident are yet to be definitively determined.

In preparation for the invasion of Normandy "invasion stripes
Invasion stripes
Invasion stripes were alternating black and white bands painted on the fuselages and wings of World War II Allied aircraft, for the purpose of increased recognition by friendly forces during and after the Normandy Landings...

" were painted on Allied aircraft
Allies of World War II
The Allies of World War II were the countries that opposed the Axis powers during the Second World War . Former Axis states contributing to the Allied victory are not considered Allied states...

 to assist identification. Similar markings had been used when the Hawker Typhoon
Hawker Typhoon
The Hawker Typhoon was a British single-seat fighter-bomber, produced by Hawker Aircraft. While the Typhoon was designed to be a medium-high altitude interceptor, and a direct replacement for the Hawker Hurricane, several design problems were encountered, and the Typhoon never completely satisfied...

 was first introduced into use as it was otherwise very similar in profile to a German aircraft. Late in the war the "protection squadron" that covered the elite German jet fighter squadron as it landed or took-off were brightly painted to distinguish them from raiding Allied fighters.

A number of situations can lead to or exacerbate the risk of friendly fire.

Poor terrain and visibility are major factors. Soldiers fighting on unfamiliar ground can become disoriented more easily than on familiar terrain. The direction from which enemy fire comes may not be easy to identify, and poor weather conditions and combat stress may add to the confusion, especially if fire is exchanged. Accurate navigation and 'fire discipline' is vital.

In high-risk situations, leaders need to ensure units are properly informed of the location of friendly units and to issue clear, unambiguous orders, but they must also react correctly to responses from soldiers who are capable of using their own judgement. Miscommunication can be deadly. Radios, field telephones, and signalling systems can be used to address the problem, but when these systems are used to co-ordinate multiple forces such as ground troops and aircraft, their breakdown can dramatically increase the risk of friendly fire. When allied troops are operating the situation is even more complex, especially with language barriers to overcome.

Training

Most militaries use extensive training to ensure troop safety as part of normal co-ordination and planning, but are not always exposed to possible friendly-fire situations to ensure they are aware of situations where the risk is high. Difficult terrain and bad weather cannot be controlled, but soldiers must be trained to operate effectively in these conditions, as well as trained to fight at night. Such simulated training is now commonplace for soldiers worldwide. Avoiding friendly fire can be as straightforward as ensuring 'fire discipline' is instilled in troops, so that they fire and cease firing when they are told to. Firing ranges now also include 'Don't Fire' targets.

The increasing sophistication of weaponry, and the tactics employed against American forces to deliberately confuse them has meant that while overall casualties have fallen for American soldiers in the late 20th and 21st centuries, the overall percentage deaths due to friendly fire in American actions have risen dramatically. In the 1991 Gulf War
Gulf War
The Persian Gulf War , commonly referred to as simply the Gulf War, was a war waged by a U.N.-authorized coalition force from 34 nations led by the United States, against Iraq in response to Iraq's invasion and annexation of Kuwait.The war is also known under other names, such as the First Gulf...

, most of the Americans killed by their own forces were crew members of armored vehicles hit by anti-tank rounds. The response in training includes recognition training for Apache helicopter crews to help them distinguish American tanks and armored vehicles at night and in bad weather from those of the enemy. In addition, tank gunners must watch under fire in drills for "friendly" robotic tanks that pop out on training courses in California's Mojave Desert. They also study video footage to help them recognize American forces in battle more quickly.

Technology

Improved technology to assist in identifying friendly forces is also an ongoing response to friendly fire problems.
From the earliest days of warfare, identification systems were visual and developed into extremely elaborate suits of armour with distinctive heraldic
Heraldry
Heraldry is the profession, study, or art of creating, granting, and blazoning arms and ruling on questions of rank or protocol, as exercised by an officer of arms. Heraldry comes from Anglo-Norman herald, from the Germanic compound harja-waldaz, "army commander"...

 patterns. When radar
Radar
Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

 was developed during World War II, IFF
Identification friend or foe
In telecommunications, identification, friend or foe is an identification system designed for command and control. It is a system that enables military and national interrogation systems to identify aircraft, vehicles, or forces as friendly and to determine their bearing and range from the...

 systems to identify aircraft developed into a multitude of radio beacons.

Correct navigation
Navigation
Navigation is the process of monitoring and controlling the movement of a craft or vehicle from one place to another. It is also the term of art used for the specialized knowledge used by navigators to perform navigation tasks...

 is vital to ensuring units know where they are in relation to their own force and the enemy. Efforts to provide accurate compasses inside metal boxes in tanks and trucks has proven difficult, with GPS a major breakthrough. Government contractors are rushing to perfect infra-red and carbon dioxide laser
Laser
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of photons. The term "laser" originated as an acronym for Light Amplification by Stimulated Emission of Radiation...

 beacons that can be mounted on armored vehicles and that will identify themselves to their own forces.

Other technological changes include hand-held navigational devices that use satellite
Satellite
In the context of spaceflight, a satellite is an object which has been placed into orbit by human endeavour. Such objects are sometimes called artificial satellites to distinguish them from natural satellites such as the Moon....

 signals, giving ground forces the exact location of enemy forces as well as their own. The use of infra-red lights and thermal tape that are invisible to observers without night-goggles, or fibres and dyes that reflect only specific wavelengths are still in their infancy, but may prove to be key identifiers for friendly infantry units at night.

There is also some development of remote sensors to detect enemy vehicles — the Remotely Monitored Battlefield Sensor System (REMBASS) uses a combination of acoustic
Acoustics
Acoustics is the interdisciplinary science that deals with the study of all mechanical waves in gases, liquids, and solids including vibration, sound, ultrasound and infrasound. A scientist who works in the field of acoustics is an acoustician while someone working in the field of acoustics...

, seismic vibration, and infrared to not just detect, but identify vehicles.

Tactics

Some tactics
Military tactics
Military tactics, the science and art of organizing an army or an air force, are the techniques for using weapons or military units in combination for engaging and defeating an enemy in battle. Changes in philosophy and technology over time have been reflected in changes to military tactics. In...

 make friendly fire virtually inevitable, such as the practice of dropping barrages of mortars on enemy machine gun
Machine gun
A machine gun is a fully automatic mounted or portable firearm, usually designed to fire rounds in quick succession from an ammunition belt or large-capacity magazine, typically at a rate of several hundred rounds per minute....

 posts in the final moments before capture. This practice continued throughout the 20th century since machine guns were first used in World War I, and the high friendly fire risk has generally been accepted by troops since machine gun emplacements are tactically so valuable, and at the same time so dangerous that the attackers wanted them to be shelled, considering the shells far less deadly than the machine guns.
Tactical adjustments include the use of "kill boxes", or zones that are placed off-limits to ground forces while allied aircraft attack targets, which goes back to the beginning of military aircraft in World War I.

The shock and awe battle tactics adopted by the American military — overwhelming power, battlefield awareness, dominant maneuvers, and spectacular displays of force — are employed because they are believed to be the best way to win a war quickly and decisively, reducing casualties on both sides. However, if the only people doing the shooting are American, then a high percentage of total casualties are bound to be the result of friendly fire, blunting the effectiveness of the shock and awe tactic. It is probably the fact that friendly fire has proven to be the only fundamental weakness of the tactics that has caused the American military to take significant steps to overturn a blasé attitude to friendly fire and assess ways to eliminate it.

Wars of the Roses

  • 1461 – At the Battle of Towton
    Battle of Towton
    In 1461, England was in the sixth year of the Wars of the Roses, a series of civil wars between the Houses of York and Lancaster over the English throne. The Lancastrians backed the reigning King of England, Henry VI, an indecisive man who suffered bouts of madness...

    , wind conditions resulted in arrows falling amongst friendly troops as well as the enemy.
  • 1471 - Battle of Barnet
    Battle of Barnet
    The Battle of Barnet was a decisive engagement in the Wars of the Roses, a dynastic conflict of 15th-century England. The military action, along with the subsequent Battle of Tewkesbury, secured the throne for Edward IV...

    : The ‘radiant star’ battle standard used by the troops commanded by the Earl of Oxford
    Earl of Oxford
    Earl of Oxford is a dormant title in the Peerage of England, held for several centuries by the de Vere family from 1141 until the death of the 20th earl in 1703. The Veres were also hereditary holders of the office of master or Lord Great Chamberlain from 1133 until the death of the 18th Earl in 1625...

     was misidentified as an enemy standard (which depicted a ‘brilliant sun’) and resulted in them being shot at by their own archers.

Nine Years' War

  • 1690 - Two French regiments accidentally attacking each other during the Battle of Fleurus
    Battle of Fleurus (1690)
    The Battle of Fleurus, fought on 1 July 1690, was a major engagement of the Nine Years' War. In a bold envelopment the Duc de Luxembourg, commanding Louis XIV’s army of some 35,000 men, soundly defeated Prince Waldeck’s Allied force of approximately 38,000 men comprising mainly Dutch, German, and...

     led to the practice of attaching a white scarf to the flags of the regiments - white being the colour of the kings of France.

French and Indian War

  • On November 12, 1758, Colonel George Washington led a detachment of 500 Virginia Regiment soldiers from Fort Ligonier to investigate reports of a French raid. Lieutenant Colonel George Mercer led an additional 500 men of the Virginia Regiment by a different route. The two detachments encountered each other in the light of early evening and the haze of musket smoke, mistook each other for the enemy, and engaged each other resulting in 40 casualties.

American Revolutionary War

  • In the Battle of Germantown
    Battle of Germantown
    The Battle of Germantown, a battle in the Philadelphia campaign of the American Revolutionary War, was fought on October 4, 1777, at Germantown, Pennsylvania between the British army led by Sir William Howe and the American army under George Washington...

     in 1777, a combination of late arrival, poor navigation and overpursuit resulted in Major General
    Major General
    Major general or major-general is a military rank used in many countries. It is derived from the older rank of sergeant major general. A major general is a high-ranking officer, normally subordinate to the rank of lieutenant general and senior to the ranks of brigadier and brigadier general...

     Adam Stephen
    Adam Stephen
    Adam Stephen was a Scottish-born doctor and military officer. He came to North America, where he served in the Virginia colonial militia under George Washington during the French and Indian War. He served under Washington again in the American Revolutionary War, rising to lead a division of the...

    's men colliding with General Anthony Wayne
    Anthony Wayne
    Anthony Wayne was a United States Army general and statesman. Wayne adopted a military career at the outset of the American Revolutionary War, where his military exploits and fiery personality quickly earned him a promotion to the rank of brigadier general and the sobriquet of Mad Anthony.-Early...

    's troops. The two American brigades opened fire on each other, became badly disorganized, and fled.

Napoleonic Wars

  • 1796 – Battle of Fombio
    Battle of Fombio
    The Battle of Fombio was fought between the French Army of Italy led by Napoleon Bonaparte and the Austrian army under Feldzeugmeister Johann Peter Beaulieu between 7 and 9 May 1796. It was the decisive strategic point of the campaign, as Bonaparte crossed the Po River at Piacenza in Beaulieu's...

    : Amédée Emmanuel François Laharpe
    Amedee Emmanuel Francois Laharpe
    Amédée Emmanuel François Laharpe fought in the armies of the First French Republic during the French Revolutionary Wars, led a division in Italy under Napoleon Bonaparte, and died after being hit by friendly fire.-Early career:...

     was killed by his own men while returning from reconnaissance
    Reconnaissance
    Reconnaissance is the military term for exploring beyond the area occupied by friendly forces to gain information about enemy forces or features of the environment....

    .
  • 1801 - Battle of Algeciras Bay
    Battle of Algeciras Bay
    The Battle of Algeciras Bay refers to two separate battles in July 1801 between an allied French-Spanish fleet and the British near Gibraltar. In the first battle, the French drove off an attack by the larger British fleet and captured one ship of the line...

    : Spanish ships Real Carlos and San Hermenegildo mistakenly engaged each other in the dark after a British ship sailed between them and fired at both. 1,700 were killed when the two ships exploded.
  • 1809 - Battle of Wagram
    Battle of Wagram
    The Battle of Wagram was the decisive military engagement of the War of the Fifth Coalition. It took place on the Marchfeld plain, on the north bank of the Danube. An important site of the battle was the village of Deutsch-Wagram, 10 kilometres northeast of Vienna, which would give its name to the...

    : French troops mistakenly fired on their allies from the Kingdom of Saxony
    Kingdom of Saxony
    The Kingdom of Saxony , lasting between 1806 and 1918, was an independent member of a number of historical confederacies in Napoleonic through post-Napoleonic Germany. From 1871 it was part of the German Empire. It became a Free state in the era of Weimar Republic in 1918 after the end of World War...

    . The grey uniforms of the Saxons were misidentified as white, the colour of uniform worn by their Austrian enemy.
  • 1815 – Battle of Waterloo
    Battle of Waterloo
    The Battle of Waterloo was fought on Sunday 18 June 1815 near Waterloo in present-day Belgium, then part of the United Kingdom of the Netherlands...

    : Prussian
    Kingdom of Prussia
    The Kingdom of Prussia was a German kingdom from 1701 to 1918. Until the defeat of Germany in World War I, it comprised almost two-thirds of the area of the German Empire...

     artillery mistakenly fired on British artillery causing many casualties, and British artillery returned fire at the Prussians.

American Civil War

  • During the Battle of Antietam
    Battle of Antietam
    The Battle of Antietam , fought on September 17, 1862, near Sharpsburg, Maryland, and Antietam Creek, as part of the Maryland Campaign, was the first major battle in the American Civil War to take place on Northern soil. It was the bloodiest single-day battle in American history, with about 23,000...

    , a Confederate regiment had maneuvered into a gap between two Union regiments and launched a surprise attack during a union advance into a wooded area. The Union regiment hit by the surprise attack hastily began returning fire and unknowingly hit the other Union regiment with musket fire that overshot the Confederate regiment, causing the other Union regiment to return fire in confusion. The two Union regiments had sustained heavy casualties during the lengthy exchange of friendly fire.
  • Confederate General Thomas Jonathan "Stonewall" Jackson
    Stonewall Jackson
    ຄຽשת״ׇׂׂׂׂ֣|birth_place= Clarksburg, Virginia |death_place=Guinea Station, Virginia|placeofburial=Stonewall Jackson Memorial CemeteryLexington, Virginia|placeofburial_label= Place of burial|image=...

     was wounded as a result of friendly fire in the Battle of Chancellorsville
    Battle of Chancellorsville
    The Battle of Chancellorsville was a major battle of the American Civil War, and the principal engagement of the Chancellorsville Campaign. It was fought from April 30 to May 6, 1863, in Spotsylvania County, Virginia, near the village of Chancellorsville. Two related battles were fought nearby on...

     and died eight days later. He and some of his men had been returning, under the cover of night, from an intelligence-gathering mission when a Confederate patrol misidentified them as a Union cavalry scout team.
  • In the Battle of the Wilderness
    Battle of the Wilderness
    The Battle of the Wilderness, fought May 5–7, 1864, was the first battle of Lt. Gen. Ulysses S. Grant's 1864 Virginia Overland Campaign against Gen. Robert E. Lee and the Confederate Army of Northern Virginia. Both armies suffered heavy casualties, a harbinger of a bloody war of attrition by...

     on 6 May, 1864, Confederate Lt. General James Longstreet
    James Longstreet
    James Longstreet was one of the foremost Confederate generals of the American Civil War and the principal subordinate to General Robert E. Lee, who called him his "Old War Horse." He served under Lee as a corps commander for many of the famous battles fought by the Army of Northern Virginia in the...

     was wounded when his mounted column was mistaken for Federal troops. As a result of this, he did not return to command until October of that year. In the same incident, Brigadier General Micah Jenkins
    Micah Jenkins
    Micah Jenkins , was a Confederate general in the American Civil War, mortally wounded by friendly fire at the Battle of the Wilderness.-Early life:...

     was killed.

World War I

  • At the start of the Battle of Loos
    Battle of Loos
    The Battle of Loos was one of the major British offensives mounted on the Western Front in 1915 during World War I. It marked the first time the British used poison gas during the war, and is also famous for the fact that it witnessed the first large-scale use of 'new' or Kitchener's Army...

     in 25 September 1915, the British used poison gas
    Poison gas in World War I
    The use of chemical weapons in World War I ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare was a major component of the first global war and first total war of the 20th century. The killing capacity of...

     for the first time. However along parts of the line the wind instead of carrying the gas onto the German trenches blew it back onto the British lines.
  • At night in foul weather on 16 September 1917, the British submarine mistook the destroyer
    Destroyer
    In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

     HMS Pasley
    HMS Pasley (1916)
    HMS Pasley was an built on the Tyne by Swan Hunter & Wigham Richardson for the Royal Navy and launched on 15 April 1916. She saw service during the First World War....

     for a German U-Boat
    U-boat
    U-boat is the anglicized version of the German word U-Boot , itself an abbreviation of Unterseeboot , and refers to military submarines operated by Germany, particularly in World War I and World War II...

     and attacked with torpedoes. Pasley, not recognising G9 as British until too late, responded to the attack to by ramming G9. Nearly cut in two G9 sank; only one of G9's crew survived.
  • 15 April 1918, C.S. Lewis was wounded and two other British soldiers from the Somerset Light Infantry killed after being hit by a shrapnel from a British shell that had fallen short of its target in Mont-Bernanchon
    Mont-Bernanchon
    Mont-Bernanchon is a commune in the Pas-de-Calais department in the Nord-Pas-de-Calais region of France.-Geography:Mont-Bernanchon situated some north of Béthune and west of Lille, at the junction of the D937 and D184 roads...

    , France.
  • 24/25 April 1918, during the battle of Second Battle of Villers-Bretonneux
    Second Battle of Villers-Bretonneux
    The Second Battle of Villers-Bretonneux came during the period of the battle of Lys, 24–27 April 1918, but was launched against the British lines in front of Amiens.The Germans developed a small number of tanks, and used them in this offensive...

    , soldiers of the Australian 50th Infantry Battalion, advancing in the dark under German machine fire, attacked what they believed was an enemy trench. They found out that the trench was instead occupied by British troops of the 2nd Devon and 1st Worcester Battalions who had not been informed of the Australian counterattack and "thought the Germans were attacking them from the rear".
  • During the attack on the main wagon bridge over the Marne
    Marne
    Marne is a department in north-eastern France named after the river Marne which flows through the department. The prefecture of Marne is Châlons-en-Champagne...

     at Château-Thierry
    Château-Thierry
    Château-Thierry is a commune in northern France about east-northeast of Paris. It is a sub-prefecture of the Aisne department in Picardy.-History:...

    , American machine gunners described a night attack on 1 June 1918 of massed German troops, who were singing gutturally as they made a suicidal charge, some linked arm in arm. The victims were soldiers of the French 10th Colonial division from Senegal
    Senegal
    Senegal , officially the Republic of Senegal , is a country in western Africa. It owes its name to the Sénégal River that borders it to the east and north...

    , who had been trying to get back across the river. Although reports of the incident were suppressed, it was discussed by American and French soldiers. There are no German records of any attack on the wagon bridge.
  • In 13 July 1918, British soldier and poet Siegfried Sassoon
    Siegfried Sassoon
    Siegfried Loraine Sassoon CBE MC was an English poet, author and soldier. Decorated for bravery on the Western Front, he became one of the leading poets of the First World War. His poetry both described the horrors of the trenches, and satirised the patriotic pretensions of those who, in Sassoon's...

     was wounded after being shot in the head by a fellow British soldier who had mistaken him for a German soldier near Arras
    Arras
    Arras is the capital of the Pas-de-Calais department in northern France. The historic centre of the Artois region, its local speech is characterized as a Picard dialect...

    , France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    . As a result, he spent the remainder of the war in Britain.
  • In 16 July 1918, British flying ace
    Flying ace
    A flying ace or fighter ace is a military aviator credited with shooting down several enemy aircraft during aerial combat. The actual number of aerial victories required to officially qualify as an "ace" has varied, but is usually considered to be five or more...

     Major Awdry Vaucour
    Awdry Vaucour
    Major Audry Morris Valcour was a World War I flying ace credited with seven aerial victories.He was for part of his career teamed with Alan Bott as his observer/gunner. Bott would go on to become an ace in his own right....

     was killed in the vicinity of Monastier di Treviso
    Monastier di Treviso
    Monastier di Treviso is a comune in the Province of Treviso in the Italian region Veneto, located about 25 km northeast of Venice and about 14 km east of Treviso...

    , Italy
    Italy
    Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

     when he was accidentally shot down by a Italian pilot.
  • An estimated 75,000 French soldiers were casualties of friendly artillery in the four years of World War I.

Spanish Civil War

  • In 1937, the Nationalist Irish Brigade
    Irish Brigade (Spanish Civil War)
    The Irish Brigade , fought on the Nationalist side of Francisco Franco during the Spanish Civil War. The unit was formed wholly of Roman Catholics by the politician Eoin O'Duffy, who had previously organised the banned quasi-fascist Blueshirts and openly fascist Greenshirts in Ireland...

     was fired upon by a Falangist unit, and the hour-long firefight resulted in 17 deaths. Neither unit had any battle experience.

1939

  • 6 September - Just days after the start of World War II, in what was dubbed the Battle of Barking Creek
    Battle of Barking Creek
    The Battle of Barking Creek was a friendly fire incident that happened on 6 September 1939, resulting in the first death of a British fighter pilot in the Second World War.-Incident:...

    , an RAF Spitfire
    Supermarine Spitfire
    The Supermarine Spitfire is a British single-seat fighter aircraft that was used by the Royal Air Force and many other Allied countries throughout the Second World War. The Spitfire continued to be used as a front line fighter and in secondary roles into the 1950s...

     squadron shot down two Hurricane
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

     aircraft from another RAF squadron. One of the Hurricane pilots was killed.
  • 10 September - The British submarine sank another British submarine, . After making challenges which went unanswered Triton assumed it must have located a German U-boat
    U-boat
    U-boat is the anglicized version of the German word U-Boot , itself an abbreviation of Unterseeboot , and refers to military submarines operated by Germany, particularly in World War I and World War II...

     and fired two torpedoes. Oxley was the first Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

     vessel to be sunk and also the first vessel to be sunk by a British vessel in the war, killing 52 with only two survivors.

1940

  • 19 February - Operation Wikinger
    Operation Wikinger
    Operation Wikinger was a sortie into the North Sea by the 1st Destroyer Flotilla of the Kriegsmarine, in February 1940. During this operation, poor inter-service communication and cooperation between the Kriegsmarine and the Luftwaffe and inexperience resulted in the loss of two German ships...

    : The German destroyer Z1 Leberecht Maass was sunk by Luftwaffe
    Luftwaffe
    Luftwaffe is a generic German term for an air force. It is also the official name for two of the four historic German air forces, the Wehrmacht air arm founded in 1935 and disbanded in 1946; and the current Bundeswehr air arm founded in 1956....

    bombs while another destroyer, the Z3 Max Schultz, was sunk by mines during confusion.
  • 14 April - The Dutch submarine O10 was bombed in error off Noordwijk
    Noordwijk
    Noordwijk is a town and municipality in the western Netherlands, in the province of South Holland. The municipality covers an area of 51.53 km² and had a population of 24,707 in May 2006....

     by two V.156-F Dive Bombers. Other reports attribute attack to British aircraft.
  • 21 May - A Bristol Blenheim
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

     L9325 of No. 18 Squadron RAF
    No. 18 Squadron RAF
    No. 18 Squadron of the Royal Air Force operates the CH-47 Chinook HC.2 from RAF Odiham. No. 18 Squadron was the first and is currently the largest RAF operator of the Chinook.-First World War:...

     was shot down by RAF Hurricane
    Hawker Hurricane
    The Hawker Hurricane is a British single-seat fighter aircraft that was designed and predominantly built by Hawker Aircraft Ltd for the Royal Air Force...

     and crashed near Arras
    Arras
    Arras is the capital of the Pas-de-Calais department in northern France. The historic centre of the Artois region, its local speech is characterized as a Picard dialect...

    , France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    . Three crewmen were killed.
  • 22 May - A Bristol Blenheim
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

     L9266 of No. 59 Squadron RAF
    No. 59 Squadron RAF
    No. 59 Squadron is a squadron of the Royal Air Force.- History :No.59 Squadron first became operational on 1 August 1916 at Narborough Airfield in Norfolk as a squadron of the Royal Flying Corps. During the Second World War it was attached to RAF Fighter Command , Bomber Command and Coastal Command...

     was shot down by RAF Spitfire and crashed near Fricourt
    Fricourt
    Fricourt is a commune in the Somme department in Picardie in northern France.-Geography:Fricourt is situated on the D147 and D64 junction, some northeast of Amiens.-History:...

    , France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    . Three crewmen were killed.
  • 28 June - Italian Air Marshal Italo Balbo
    Italo Balbo
    Italo Balbo was an Italian Blackshirt leader who served as Italy's Marshal of the Air Force , Governor-General of Libya, Commander-in-Chief of Italian North Africa , and the "heir apparent" to Italian dictator Benito Mussolini.After serving in...

    's Savoia-Marchetti SM.79
    Savoia-Marchetti SM.79
    The Savoia-Marchetti SM.79 Sparviero was a three-engined Italian medium bomber with a wood and metal structure. Originally designed as a fast passenger aircraft, this low-wing monoplane, in the years 1937–39, set 26 world records that qualified it for some time as the fastest medium bomber in the...

     was shot down by Italian anti-aircraft fire at Tobruk
    Tobruk
    Tobruk or Tubruq is a city, seaport, and peninsula on Libya's eastern Mediterranean coast, near the border with Egypt. It is the capital of the Butnan District and has a population of 120,000 ....

    .

1941

  • A Fleet Air Arm
    Fleet Air Arm
    The Fleet Air Arm is the branch of the British Royal Navy responsible for the operation of naval aircraft. The Fleet Air Arm currently operates the AgustaWestland Merlin, Westland Sea King and Westland Lynx helicopters...

     torpedo attack was erroneously carried out against the during the hunt for the
  • RAF
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     fighter ace
    Fighter Ace
    Fighter Ace was a massively multiplayer online computer game in which one flies World War II fighter and bomber planes in combat against other players and virtual pilots...

     Wing Commander
    Wing Commander (rank)
    Wing commander is a commissioned rank in the Royal Air Force and the air forces of many other Commonwealth countries...

     Douglas Bader
    Douglas Bader
    Group Captain Sir Douglas Robert Steuart Bader CBE, DSO & Bar, DFC & Bar, FRAeS, DL was a Royal Air Force fighter ace during the Second World War. He was credited with 20 aerial victories, four shared victories, six probables, one shared probable and 11 enemy aircraft damaged.Bader joined the...

     was shot down in what recent research suggests was a friendly fire incident.
  • 29 August- A Focke-Wulf Fw 190
    Focke-Wulf Fw 190
    The Focke-Wulf Fw 190 Würger was a German Second World War single-seat, single-engine fighter aircraft designed by Kurt Tank in the late 1930s. Powered by a radial engine, the 190 had ample power and was able to lift larger loads than its well-known counterpart, the Messerschmitt Bf 109...

     plane was shot down in error by a German 8.8 cm FlaK 18/36/37/41 near the French coast and crashed on the beach south of Dunkirk. Leutnant Heinz Schenk was the first Focke-Wulf 190 pilot to be killed in action.
  • November 26, 1941, a RAF aircraft bombed the 1st Essex Regiment
    Essex Regiment
    The Essex Regiment was an infantry regiment of the British Army that saw active service from 1881 to 1958. Members of the regiment were recruited from across Essex county. Its lineage is continued by the Royal Anglian Regiment.-Origins:...

     during Operation Crusader
    Operation Crusader
    Operation Crusader was a military operation by the British Eighth Army between 18 November–30 December 1941. The operation successfully relieved the 1941 Siege of Tobruk....

    , causing about 40 casualties.

1942

  • 20 February - British Commonwealth forces during the Burma Campaign
    Burma Campaign
    The Burma Campaign in the South-East Asian Theatre of World War II was fought primarily between British Commonwealth, Chinese and United States forces against the forces of the Empire of Japan, Thailand, and the Indian National Army. British Commonwealth land forces were drawn primarily from...

     were repeatedly bombed and strafed by RAF Blenheim
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

    s during a break-out attempt by a battalion surrounded by Japanese troops in Sittaung River, Burma. More than 170 British Commonwealth lives were lost due to RAF air-strikes.
  • 21 February - Pilots of the 1st American Volunteer Group
    Flying Tigers
    The 1st American Volunteer Group of the Chinese Air Force in 1941–1942, famously nicknamed the Flying Tigers, was composed of pilots from the United States Army , Navy , and Marine Corps , recruited under presidential sanction and commanded by Claire Lee Chennault. The ground crew and headquarters...

     (Flying Tigers) strafed retreating Commonwealth forces who were mistaken for an advancing Japanese column during the Burma Campaign
    Burma Campaign
    The Burma Campaign in the South-East Asian Theatre of World War II was fought primarily between British Commonwealth, Chinese and United States forces against the forces of the Empire of Japan, Thailand, and the Indian National Army. British Commonwealth land forces were drawn primarily from...

    , resulting in more than 100 casualties. Around the same day, retreating Commonwealth forces with 300 vehicles were bombed and strafed by RAF Blenheim
    Bristol Blenheim
    The Bristol Blenheim was a British light bomber aircraft designed and built by the Bristol Aeroplane Company that was used extensively in the early days of the Second World War. It was adapted as an interim long-range and night fighter, pending the availability of the Beaufighter...

    s near Mokpalin, Burma, resulting more than 110 casualties and 159 vehicles destroyed.
  • The Polish
    Poland
    Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

     submarine
    Submarine
    A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which has more limited underwater capability...

     ORP Jastrząb
    ORP Jastrzab
    ORP Jastrząb was an old Holland-type S-class submarine, originally of the United States Navy, in Polish service between 1941 and 1942, when she was lost to friendly fire....

     was mistakenly sunk by the British
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

     destroyer
    Destroyer
    In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

      and minesweeper
    Minesweeper (ship)
    A minesweeper is a small naval warship designed to counter the threat posed by naval mines. Minesweepers generally detect then neutralize mines in advance of other naval operations.-History:...

     . She was attacked with depth charges and made to surface, there she was strafed with the loss of five crew and six injured, including the commander, despite yellow recognition smoke candles. The ship was damaged and had to be scuttled.
  • The Italian submarine Alagi
    Italian submarine Alagi
    Italian submarine Alagi was an Italian Adua-class submarine serving in the Regia Marina during World War II. She was named after the Amba Alagi mountain in Ethiopia.Alagi was built in the CRDA shipyard, in Monfalcone...

     sank the Italian destroyer Antoniotto Usodimare
    Navigatori class destroyer
    The Navigatori class were a group of Italian destroyers built in 1928-29. These ships were named after Italian explorers. They fought in World War II. Just one unit, the Nicoloso Da Recco, survived the conflict.-Design:...

    on 8 June 1942.
  • June 27- a group of RAF Vickers Wellington
    Vickers Wellington
    The Vickers Wellington was a British twin-engine, long range medium bomber designed in the mid-1930s at Brooklands in Weybridge, Surrey, by Vickers-Armstrongs' Chief Designer, R. K. Pierson. It was widely used as a night bomber in the early years of the Second World War, before being displaced as a...

    s bombed the units of 4th County of London Yeomanry
    County of London Yeomanry
    Several British Army regiments have born the title County of London Yeomanry . Most have been mounted, then armoured regiments.-1st County of London Yeomanry:...

    , British 7th Armoured Division
    British 7th Armoured Division
    The 7th Armoured Division was a British armoured division which saw service during the Second World War where its exploits made it famous as the Desert Rats....

     and the British 3rd Hussars during a two-hour raid near Mersa Matruh, Egypt
    Egypt
    Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

    , killing over 359 troops and wounding 560. The aftermath of RAF raids at this time were also seen by the Germans: "...The RAF had bombed their own troops, and with tracer flying in all directions, German units fired on each other. At 0500 hours next morning 28 June, I drove up to the breakout area where we had spent such a disturbed night. There we found a number of lorries filled with the mangled corpses of New Zealanders who had been killed by the British bombs...
  • On October 23, 1942, during the 2nd Battle of El Alamein
    Second Battle of El Alamein
    The Second Battle of El Alamein marked a major turning point in the Western Desert Campaign of the Second World War. The battle took place over 20 days from 23 October – 11 November 1942. The First Battle of El Alamein had stalled the Axis advance. Thereafter, Lieutenant-General Bernard Montgomery...

    , at 2140 hours under the cover of a barrage of 1000 guns, British infantry of the 51st (Highland) Infantry Division advanced towards the enemy lines. However, they advanced too fast into the area of fire from British artillery causing over 60 casualties.
  • During the 2nd Battle of El Alamein
    Second Battle of El Alamein
    The Second Battle of El Alamein marked a major turning point in the Western Desert Campaign of the Second World War. The battle took place over 20 days from 23 October – 11 November 1942. The First Battle of El Alamein had stalled the Axis advance. Thereafter, Lieutenant-General Bernard Montgomery...

    , RAF fighters bombed British troops during a four hour raid, causing 56 casualties. The British 10th Royal Hussars were among the victims; they did not know the proper signals to call off their planes.
  • During the night attack of 12/13 November in the Naval Battle of Guadalcanal
    Naval Battle of Guadalcanal
    The Naval Battle of Guadalcanal, sometimes referred to as the Third and Fourth Battles of Savo Island, the Battle of the Solomons, The Battle of Friday the 13th, or, in Japanese sources, as the , took place from 12–15 November 1942, and was the decisive engagement in a series of naval battles...

    , the already damaged light cruiser
    Light cruiser
    A light cruiser is a type of small- or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck...

      was fired on by the cruiser
    Cruiser
    A cruiser is a type of warship. The term has been in use for several hundreds of years, and has had different meanings throughout this period...

      causing several deaths.

1943

  • The German blockade runner
    Blockade runner
    A blockade runner is usually a lighter weight ship used for evading a naval blockade of a port or strait, as opposed to confronting the blockaders to break the blockade. Very often blockade running is done in order to transport cargo, for example to bring food or arms to a blockaded city...

     and minelayer
    Minelayer
    Minelaying is the act of deploying explosive mines. Historically this has been carried out by ships, submarines and aircraft. Additionally, since World War I the term minelayer refers specifically to a naval ship used for deploying naval mines...

     Doggerbank was mistaken for a British freighter and sunk by the submarine in the mid-Atlantic.
  • General Omar Bradley
    Omar Bradley
    Omar Nelson Bradley was a senior U.S. Army field commander in North Africa and Europe during World War II, and a General of the Army in the United States Army...

     recalled that his column was attacked by American A-36
    North American A-36
    The North American A-36 Apache was the ground-attack/dive bomber version of the North American Aviation P-51 Mustang, from which it could be distinguished by the presence of rectangular, slatted dive brakes above and below the wings...

    s in Sicily
    Sicily
    Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

    . The tanks lit yellow smoke flares to identify themselves to their own aircraft but the attacks continued, forcing the column to return fire which resulted in the downing of one aircraft. A parachuting pilot from the downed A-36 was brought before Bradley. 'You stupid sonofabitch!!' Bradley fumed. 'Didn't you see our yellow recognition signals!?' The pilot replied 'Oh, is that what that was?'.
  • During the Allied Invasion of Sicily, Operation Husky, 144 C-47
    C-47 Skytrain
    The Douglas C-47 Skytrain or Dakota is a military transport aircraft that was developed from the Douglas DC-3 airliner. It was used extensively by the Allies during World War II and remained in front line operations through the 1950s with a few remaining in operation to this day.-Design and...

     transport planes passed over Allied lines shortly after a German air raid, and were mistakenly fired upon by U.S ground and naval forces. 23 planes were shot down and 37 damaged, resulting in 318 casualties including about 100 paratroopers killed.
  • During Operation Cottage
    Operation Cottage
    Operation Cottage was a tactical maneuver during the Aleutian Islands campaign. In the operation, which took place on August 15, 1943, Allied military forces landed unopposed on Kiska Island, which had been occupied by Japanese forces since June, 1942. The Japanese forces, however, had secretly...

     after Allied forces occupied Kiska Island, US and Canadian forces mistook each other as Japanese and engaged each other in a deadly firefight. As a result 28 Americans and 4 Canadians were killed with 50 more wounded. There were no Japanese troops on the island two weeks before US and Canadian Forces landed.

1944

  • On the morning of March 27, 1944, two US Motor Torpedo Boat
    Motor Torpedo Boat
    Motor Torpedo Boat was the name given to fast torpedo boats by the Royal Navy, and the Royal Canadian Navy.The capitalised term is generally used for the Royal Navy boats and abbreviated to "MTB"...

    s (PT-121
    Motor Torpedo Boat PT-121
    USS PT-121 was a motor torpedo boat.On the morning of March 27, 1944, Lt. Crowell C. Hall, USNR, executive officer of Squadron 25, in PT 353 , with PT 121 , was trying to thread a way through New Britain's reefs to Ewasse, in Bangula Bay, to investigate a reported enemy schooner...

     and PT-353) were destroyed in error by P-40 Kittyhawks of No. 78 Squadron RAAF
    No. 78 Squadron RAAF
    No. 78 Squadron was a Royal Australian Air Force fighter squadron of World War II. The Squadron was formed in July 1943 and was disbanded in April 1948 after seeing action in the South West Pacific.-History:...

    , along with an RAAF Bristol Beaufighter
    Bristol Beaufighter
    The Bristol Type 156 Beaufighter, often referred to as simply the Beau, was a British long-range heavy fighter modification of the Bristol Aeroplane Company's earlier Beaufort torpedo bomber design...

     of No. 30 Squadron RAAF
    No. 30 Squadron RAAF
    No. 30 Squadron is a squadron of the Royal Australian Air Force . Raised in 1942 as a fighter unit, the Squadron saw action in the Second World War and later served in the target towing and surface-to-air missile roles. After a long period of disbandment lasting from the late 1960s, No...

    . A second Beaufighter crew recognized the vessels as PTs and tried to stop the attack, but not before both boats exploded and sank off the coast of New Britain
    New Britain
    New Britain, or Niu Briten, is the largest island in the Bismarck Archipelago of Papua New Guinea. It is separated from the island of New Guinea by the Dampier and Vitiaz Straits and from New Ireland by St. George's Channel...

    . Eight American sailors were killed with 12 others wounded.
  • 28 April, during Exercise Tiger
    Exercise Tiger
    Exercise Tiger, or Operation Tiger, were the code names for a full-scale rehearsal in 1944 for the D-Day invasion of Normandy. During the exercise, an Allied convoy was attacked, resulting in the deaths of 946 American servicemen....

     (practice landings for the Normandy
    Normandy
    Normandy is a geographical region corresponding to the former Duchy of Normandy. It is in France.The continental territory covers 30,627 km² and forms the preponderant part of Normandy and roughly 5% of the territory of France. It is divided for administrative purposes into two régions:...

     Invasion) taking place off the coast of Slapton Sands
    Slapton, Devon
    Slapton is a village in Devon, England. It is located near the A379 road between Kingsbridge and Dartmouth, and lies within the South Devon Area of Outstanding Natural Beauty . In 2001 the population of the civil parish of Slapton was 473...

    , a convoy of eight American LSTs was attacked by German E-Boats. This resulted in 638 deaths, aggravated by lack of training with life-vests. Despite this, the exercise continued and when the remaining LSTs landing on Slapton Beach, American soldiers crossed into an area which was being shelled with live ammunition by the British heavy cruiser
    Heavy cruiser
    The heavy cruiser was a type of cruiser, a naval warship designed for long range, high speed and an armament of naval guns roughly 203mm calibre . The heavy cruiser can be seen as a lineage of ship design from 1915 until 1945, although the term 'heavy cruiser' only came into formal use in 1930...

     HMS Hawkins. Out of a total of 946 American servicemen deaths during the exercise, 308 of them were due to British fire. It was the most costly Allied training incident in World War II and the death toll was 4 times greater than the Utah Beach
    Utah Beach
    Utah Beach was the code name for the right flank, or westernmost, of the Allied landing beaches during the D-Day invasion of Normandy, as part of Operation Overlord on 6 June 1944...

     and Pointe du Hoc
    Pointe du Hoc
    Pointe du Hoc is a clifftop location on the coast of Normandy in northern France. It lies 4 miles west of Omaha Beach, and stands on 100 ft tall cliffs overlooking the sea...

     on D-Day
    D-Day
    D-Day is a term often used in military parlance to denote the day on which a combat attack or operation is to be initiated. "D-Day" often represents a variable, designating the day upon which some significant event will occur or has occurred; see Military designation of days and hours for similar...

    .
  • June 5–6, several RAF
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     Avro Lancaster
    Avro Lancaster
    The Avro Lancaster is a British four-engined Second World War heavy bomber made initially by Avro for the Royal Air Force . It first saw active service in 1942, and together with the Handley Page Halifax it was one of the main heavy bombers of the RAF, the RCAF, and squadrons from other...

    s attempting to bomb the German artillery battery at Merville-Franceville-Plage
    Merville-Franceville-Plage
    Merville-Franceville-Plage is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-Geography:Merville-Franceville-Plage, more usually called Franceville, is situated on the Côte Fleurie, 6 km from Cabourg and from Caen...

     attacked instead friendly positions, killing 186 soldiers of the British Reconnaissance Corps
    Reconnaissance Corps
    The Reconnaissance Corps or simply Recce Corps was a short-lived elite corps of the British Army whose units provided the mobile spearhead of infantry divisions from the Far East to Europe during the Second World War. It was formed from Infantry Brigade Reconnaissance Groups on 14 January 1941...

     and devastating the town. They also mistakenly bombed Drop Zone 'V ' of the 6th Airborne Division, killing 78 and injuring 65.
  • 6 June 1944, RAF fighters bombed and strafed the HQ entourage of 3rd Parachute Brigade (British 6th Airborne Division) near Pegasus Bridge
    Pegasus Bridge
    Pegasus Bridge is a bascule bridge , built in 1934, that crossed the Caen Canal, between Caen and Ouistreham, in Normandy, France....

     after mistaking them for a German column. At least 15 men were killed and many others were wounded.
  • June 8, 1944, a group of RAF Hawker Typhoon
    Hawker Typhoon
    The Hawker Typhoon was a British single-seat fighter-bomber, produced by Hawker Aircraft. While the Typhoon was designed to be a medium-high altitude interceptor, and a direct replacement for the Hawker Hurricane, several design problems were encountered, and the Typhoon never completely satisfied...

    s attacked the 175th Infantry Regiment, 29th Infantry Division (United States) on the Isigny
    Isigny-sur-Mer
    Isigny-sur-Mer is a commune in the Calvados department in the Basse-Normandie region in northwestern France.-Geography:Positioned at the bottom of the baie des Veys, Isigny is an important milk production area, known for its AOC butter and cream, as well as its cheeses made by the Isigny Sainte...

     Highway, France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    , causing 24 casualties.
  • During Operation Cobra
    Operation Cobra
    Operation Cobra was the codename for an offensive launched by the First United States Army seven weeks after the D-Day landings, during the Normandy Campaign of World War II...

    , bombs from the Eighth Air Force
    Eighth Air Force
    The Eighth Air Force is a numbered air force of the United States Air Force Global Strike Command . It is headquartered at Barksdale Air Force Base, Louisiana....

     landed on American troops on two separate occasions, killing 241 and injuring 620. Lieutenant General Lesley McNair was among the dead — the highest-ranking victim of American friendly fire.
  • July 26, 1944, USAAF P-47s mistakenly strafed the US 644th Tank Destroyer Battalion near Perrières
    Perrières
    -References:*...

    , France. 20 men were badly injured but causing no fatalities.
  • On July 27, 1944, the former was sunk by a British RAF Coastal Command aircraft in the Norwegian Sea during the beginning of its process of being transferred to the Soviet Navy
    Soviet Navy
    The Soviet Navy was the naval arm of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy would have played an instrumental role in a Warsaw Pact war with NATO, where it would have attempted to prevent naval convoys from bringing reinforcements across the Atlantic Ocean...

    . The Captain, Israel Fisanovich
    Israel Fisanovich
    Israel Ilyich Fisanovich born 1914, died 1944, was a Soviet Navy submarine commander and Hero of the Soviet Union. He died when his submarine, the former was sunk in a friendly fire incident....

    , had taken her out of her assigned area and was diving the sub when the aircraft came in sight instead of staying on the surface and firing signal flares as instructed. All crew, including the British liaison staff, were lost.
  • August 7, 1944, a RAF Hawker Typhoon
    Hawker Typhoon
    The Hawker Typhoon was a British single-seat fighter-bomber, produced by Hawker Aircraft. While the Typhoon was designed to be a medium-high altitude interceptor, and a direct replacement for the Hawker Hurricane, several design problems were encountered, and the Typhoon never completely satisfied...

     strafed a squad from 'F' Company/US 120th Infantry Regiment
    120th Infantry Regiment (United States)
    The 120th Infantry Regiment is an infantry regiment of the United States Army National Guard.The unit is an organic element of the 30th Heavy Brigade Combat Team of the North Carolina Army National Guard...

    , near Hill 314, France
    France
    The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

    , killing two men. Around noon on the same day, RAF Hawker Typhoon of the 2TAF
    RAF Second Tactical Air Force
    The former RAF Second Tactical Air Force was one of three tactical air forces within the Royal Air Force during and after the Second World War...

     was called in to assist the US 823rd Tank Destroyer Battalion in stopping an attack by the 2nd SS Panzer Division between Sourdeval
    Sourdeval
    Sourdeval is a commune in the Manche department in Normandy in north-western France.-Heraldry:-See also:*Communes of the Manche department...

     and Mortain
    Mortain
    Mortain is a commune in the Manche department in Normandy in north-western France.-Geography:Mortain is situated on a rocky hill rising above the gorge of the Cance, a tributary of the Sélune.-Administration:Mortain is the seat of a canton...

     but instead fired its rockets at two US 3-inch guns near L'Abbaye Blanche, killing one man and wounding several others even after the yellow smoke (which was to identify friendlies) was put out. Two hours later, an RAF Typhoon shot up the Service Company of the 120th Infantry Regiment, US 30th Division, causing several casualties, including Major James Bynum who was killed near Mortain. The officer who replaced him was strafed by another Typhoon a few minutes later and seriously wounded. Around the same time, a Hawker Typhoon attacked the Cannon Company of 120th Infantry Regiment, US 30th Division, near Mortain, killing 15 men. An hour later, RAF Typhoons strafed 'B' Company/US 120th Infantry Regiment on Hill 285, killing a driver of a weapons carrier.
  • Allied heavy bombers bombed the headquarters of the 3rd Canadian Infantry Division
    3rd Canadian Infantry Division
    The Canadian 3rd Infantry Division was an infantry division of the Canadian Army from 1940 to c.1945.- History :The formation of the division was authorized on 17 May 1940...

     and 1st Polish Armoured Division during Operation Totalize, causing several hundred Allied casualties.
  • Two battalions of the 77th Infantry on Guam
    Guam
    Guam is an organized, unincorporated territory of the United States located in the western Pacific Ocean. It is one of five U.S. territories with an established civilian government. Guam is listed as one of 16 Non-Self-Governing Territories by the Special Committee on Decolonization of the United...

     exchanged prolonged fire on 8 August 1944, the incident possibly started with the firing of mortars
    Mortar (weapon)
    A mortar is an indirect fire weapon that fires explosive projectiles known as bombs at low velocities, short ranges, and high-arcing ballistic trajectories. It is typically muzzle-loading and has a barrel length less than 15 times its caliber....

     for range-finding and angle calibration purposes. Small arms and then armour fire was exchanged. The mistake was realized when both units tried to call in the same artillery
    Artillery
    Originally applied to any group of infantry primarily armed with projectile weapons, artillery has over time become limited in meaning to refer only to those engines of war that operate by projection of munitions far beyond the range of effect of personal weapons...

     battalion to bombard the other.
  • August 8, 1944, near Mortain, France, RAF Hawker Typhoons attacked two Sherman tanks of 'C' Company, US 743rd Tank Battalion with rockets, killing 5 tank crewmen and wounding 10 soldiers. Later that day, two Shermans from 'A' Company, US 743rd Tank Battalion were destroyed and set ablaze by RAF Typhoons near Mortain. One tank crewman was killed and 12 others wounded.
  • August 9, 1944, a RAF Hawker Typhoon strafed units of the British Columbia Regiment and the Algonquin Regiment, 4th Canadian Armoured Division, near Quesnay Wood during Operation Totalize, causing several casualties. Later that day, the same units were mistakenly fired upon by tanks and artillery of the 1st Polish Armoured Division, resulting in more casualties.
  • 12 August 1944, RAF Hawker Typhoons fired rockets at Shermans of 'A' Company, US 743rd Tank Battalion, near Mortain, France, causing damage to one tank and badly injuring 2 tank crewmen.
  • 13 August 1944, 12 British soldiers of ‘B’ Company, 4th Wiltshire
    Wiltshire Regiment
    The Wiltshire Regiment was an infantry regiment of the line in the British Army, formed in 1881 by the amalgamation of the 62nd Regiment of Foot and the 99th Duke of Edinburgh's Regiment of Foot....

    s, 43rd Wessex Division, were killed and 25 others wounded when they were hit by rockets and machine gun attacks by RAF Typhoons near La Villette, Calvados
    La Villette, Calvados
    -References:*...

    , France.
  • 14 August 1944, RAF heavy bombers hit Allied troops in error during Operation Tractable
    Operation Tractable
    Operation Tractable was the final offensive conducted by Canadian and Polish Army troops as part of the Battle of Normandy. The goal of this operation was to capture the strategically important French town of Falaise, and following that, the smaller towns of Trun and Chambois...

     causing about 490 casualties including 112 dead. The bombings also destroyed 265 Allied vehicles, 30 field guns and two tanks. British anti-aircraft guns opened fire on the RAF bombers and some may have been hit.
  • 17 August 1944, RAF fighters attacked the soldiers of the British 7th Armoured Division
    British 7th Armoured Division
    The 7th Armoured Division was a British armoured division which saw service during the Second World War where its exploits made it famous as the Desert Rats....

    , resulting in 20 casualties, including the intelligence officer of 8th Hussars
    8th King's Royal Irish Hussars
    The 8th King's Royal Irish Hussars was a cavalry regiment in the British Army, first raised in 1693. It saw service for three centuries, before being amalgamated into The Queen's Royal Irish Hussars in 1958....

     who was badly injured. The colonel riding along was badly shaken when their jeep crashed off the road.
  • 14–18 August 1944, the South Alberta Regiment
    South Alberta Regiment
    The South Alberta Regiment was a Canadian infantry regiment which served in the Second World War. The unit was created in 1924 and mobilized in 1940 as part of the 4th Canadian Infantry Division...

     of the 4th Canadian Armoured Division came under fire six times by RAF Spitfires, resulting over 57 casualties. Many vehicles were also set on fire and the yellow smoke used for signalling friendlies was ignored by Spitfire pilots. An officer of the South Alberta demanded that he wanted his Crusader AA tanks to shoot at the Spitfires attacking his Headquarters.
  • On August 27, 1944, a minesweeping flotilla of Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

     ships came under fire. At about noon of the 27th, HMS Britomart
    HMS Britomart (J22)
    HMS Britomart was a of the Royal Navy. She served during the Second World War and was sunk in 1944 in a friendly fire incident.-Construction and commissioning:...

    , Salamander, Hussar
    HMS Hussar (J82)
    HMS Hussar was a Royal Navy minesweeper. She was sunk by friendly fire from RAF fighters off the coast of Normandy on 27 August 1944 in the same incident as HMS Britomart.-References:...

     and Jason
    HMS Jason (J99)
    HMS Jason was a . She was named after the hero in Greek mythology and was the sixteenth Royal Navy ship to carry the name Jason. She was laid down on 12 December 1936, launched on 6 October 1937, and was completed on 9 June 1938. She survived the Second World War and was sold in 1946 to become...

     came under rocket and cannon attacks by Hawker Typhoon
    Hawker Typhoon
    The Hawker Typhoon was a British single-seat fighter-bomber, produced by Hawker Aircraft. While the Typhoon was designed to be a medium-high altitude interceptor, and a direct replacement for the Hawker Hurricane, several design problems were encountered, and the Typhoon never completely satisfied...

    s of No. 263 Squadron RAF
    No. 263 Squadron RAF
    No 263 Squadron was an Royal Air Force fighter squadron formed in Italy towards the end of World War I. After being disbanded in 1919 it reformed in 1939 flying mainly strike and heavy fighter aircraft until becoming No 1 Squadron in 1958.-First World War:...

     and No. 266 Squadron RAF
    No. 266 Squadron RAF
    -World War I:The squadron was formed from No's 437 and 438 Flights at Mudros, Greece on 27 September 1918 to carry out anti-submarine patrols in that area, flying Short 184s and 320s along with Felixtowe F.3s. In February 1919 it was transferred to the Caucasus on HMS Engadine. It operated from...

    . HMS Britomart and HMS Hussar took direct hits and were sunk. HMS Salamander had her stern blown off and sustained heavy damage. HMS Jason was raked by machine gun fire, killing and wounding several of her crew. Two of the accompanying trawlers
    Naval trawler
    A naval trawler is a vessel built along the lines of a fishing trawler but fitted out for naval purposes. Naval trawlers were widely used during the First and Second world wars. Fishing trawlers were particularly suited for many naval requirements because they were robust boats designed to work...

     were also hit. The total loss of life was 117 sailors killed and 153 wounded. The attack had continued despite the attempts by the ships to signal that they were friendly and radio requests by the commander of the aircraft
    John Robert Baldwin
    Wing Commander John Robert Baldwin, DSO and Bar, DFC and Bar AFC was a British Royal Air Force Volunteer Reserve officer and the top scoring fighter ace flying the Hawker Typhoon exclusively....

     for clarification of his target. In the aftermath the surviving sailors were told to keep quiet about the attack. The subsequent court of enquiry identified the fault as lying with the Navy, who had requested the attack on what they thought were enemy vessels entering or leaving Le Havre, and three RN officers were put before a court martial. The commander of the Jason and his crew were decorated for their part in rescuing their comrades. At the time reporting of the incident was suppressed with information not fully released until 1994.
  • 12 September 1944, a group of RAF Hawker Typhoons destroyed two Sherman tanks of the Governor General's Foot Guards
    Governor General's Foot Guards
    The Governor General's Foot Guards is one of three Household regiments in the Primary Reserve of the Canadian Army, along with The Governor General's Horse Guards and the Canadian Grenadier Guards. The GGFG is the most senior militia infantry regiment in Canada."Civitas et Princeps Cura Nostra" is...

    , 4th Canadian Armoured Division in the vicinity of Maldegem
    Maldegem
    Maldegem is a municipality located in the Belgian province of East Flanders. The municipality comprises the villages of Maldegem, Adegem and Middelburg. Kleit and Donk have always been separate hamlets of Maldegem. On January 1, 2006 Maldegem had a total population of 22,289. The total area is...

    , Belgium
    Belgium
    Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

    , killing 3 men and injuring 4. One Canadian soldier from the 4th Canadian Armored Division wounded recalled this incident saying "....while so deployed the tanks were suddenly attacked, in mistake, by several Typhoon aircraft. Lt. Middleton-Hope's tank was badly hit, killing the gunner Guardsman Hughes, and the tank was set on fire. Almost immediately Sgt. Jenning's tank was similarly knocked out by Typhoon rockets. Meanwhile the Typhoons continued to press home their attack with machine guns and rockets, and, while trying to extricate the gunner, Lt. Middleton-Hope was blown off the tank. In this tragic encounter Guardsmen Baker, Barter, and Cheal were seriously wounded."
  • In October 1944, Soviet troops liberated the city of Niš
    Niš
    Niš is the largest city of southern Serbia and third-largest city in Serbia . According to the data from 2011, the city of Niš has a population of 177,972 inhabitants, while the city municipality has a population of 257,867. The city covers an area of about 597 km2, including the urban area,...

     from occupying German forces and advanced on Belgrade
    Belgrade
    Belgrade is the capital and largest city of Serbia. It is located at the confluence of the Sava and Danube rivers, where the Pannonian Plain meets the Balkans. According to official results of Census 2011, the city has a population of 1,639,121. It is one of the 15 largest cities in Europe...

    . At the same time the U.S. Army Air Force was bombing German-Albanian units entering from Kosovo. The U.S. planes mistook the advancing Soviet tanks as enemies (probably due to a lack of communications) and began attacking them, whereupon the Soviets then called in for air support from Nis airport and a five-minute dogfight
    Dogfight
    A dogfight, or dog fight, is a form of aerial combat between fighter aircraft; in particular, combat of maneuver at short range, where each side is aware of the other's presence. Dogfighting first appeared during World War I, shortly after the invention of the airplane...

     ensued, ending after both the U.S and Soviet commanders ordered the planes to retreat.
  • Canadian artillery units were rushed in to support the retreating American forces as a counter attack against the advancing German Army during the early stages of the Ardennes Offensive. When American troops was making a retreat north of the Ardennes
    Ardennes
    The Ardennes is a region of extensive forests, rolling hills and ridges formed within the Givetian Ardennes mountain range, primarily in Belgium and Luxembourg, but stretching into France , and geologically into the Eifel...

    , the Canadians mistook them for a German column. The Canadian artillery guns open fired on them, resulting in 76 American deaths and many as 138 wounded.
  • Major George E. Preddy, commander of the 328th Fighter Squadron, was the highest-scoring US ace still in combat in the European Theater at the time when he died on Christmas Day in Belgium. Preddy was chasing a German fighter over an American anti-aircraft battery and was hit by their fire aimed at his intended target.
  • Operation Wintergewitter (Winter Storm) - Italian Front: American forward observer John R. Fox
    John R. Fox
    John Robert Fox was killed in action when he deliberately called for artillery fire on his own position, after his position was overrun, in order to defeat a German attack in the vicinity of Sommocolonia, northern Italy during World War II...

     called down fire on his own position to stop a German advance on the town of Sommocolonia, Italy. In 1997 he was posthumously awarded the Medal of Honor for this action.

1945

  • Operation Bodenplatte
    Operation Bodenplatte
    Operation Bodenplatte launched on 1 January 1945, was an attempt by the Luftwaffe to cripple Allied air forces in the Low Countries during the Second World War. The goal of Bodenplatte was to gain air superiority during the stagnant stage of the Battle of the Bulge, to allow the German Army and...

     (Baseplate): 900 German fighters and fighter-bombers launched a surprise attack on Allied airfields. Approximately 300 aircraft were lost, 237 pilots killed, missing, or captured, and 18 pilots wounded — the largest single-day loss for the Luftwaffe. Many losses were due to fire from Luftwaffe anti-aircraft batteries, whose crew members had not been informed of the attack.
  • On January 23, 1945, a group of Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

     fighters strafed the assault gun platoon (105mm Sherman tanks) of US 743rd Tank Battalion, near Sart-Lez-St.Vith, Belgium
    Belgium
    Belgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...

    , killing 6 men and wounded 15.
  • Cap Arcona incident - Although it did not involve troops in combat, this incident has been referred to as "the worst friendly-fire incident in history" On May 3, 1945, the three ships Cap Arcona, Thielbek
    Thielbek
    The Thielbek was a 2,815 GRT freighter that was sunk along with the SS Cap Arcona and the Deutschland during British air raids on May 3, 1945 while anchored in the Bay of Lübeck with the loss of 2,750 lives...

    , and the in Lübeck Harbour
    Lübeck
    The Hanseatic City of Lübeck is the second-largest city in Schleswig-Holstein, in northern Germany, and one of the major ports of Germany. It was for several centuries the "capital" of the Hanseatic League and, because of its Brick Gothic architectural heritage, is listed by UNESCO as a World...

     were sunk in four separate, but synchronized attacks with bombs, rockets, and cannons by the Royal Air Force
    Royal Air Force
    The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

    , resulting in the death of over 7,000 Jewish concentration camp survivors and Russian
    Russians
    The Russian people are an East Slavic ethnic group native to Russia, speaking the Russian language and primarily living in Russia and neighboring countries....

     prisoners of war, along with POWs from several other allies. The British pilots were unaware that these ships carried POW's and concentration camp survivors, although British documents were released in the 1970s that state the Swedish government had informed the RAF command of the risk prior to the attack.

Korean War

  • On July 3, 1950, eight F-51s of No. 77 Squadron RAAF
    No. 77 Squadron RAAF
    No. 77 Squadron is a Royal Australian Air Force fighter squadron. The Squadron was formed in 1942 and currently operates F/A-18 Hornet aircraft from RAAF Base Williamtown.-History:...

     strafed and destroyed a train carrying thousands of American and South Korean
    Republic of Korea Army
    The Republic of Korea Army is the largest of the military branches of the South Korean armed forces with 520,000 members as of 2010...

     soldiers who were mistaken for a North Korean convoy in the main highway between Suwon
    Suwon
    Suwon is the provincial capital of Gyeonggi-do, South Korea. A major city of over a million inhabitants, Suwon lies approximately south of Seoul. It is traditionally known as "The City of Filial Piety"....

     and P'yongtaek, resulting more than 700-1000 casualties. Before the attack, the Australian pilots had been assured by the United States 5th Air Force Tactical Control Centre that the area under attack was in North Korean hands.
  • On September 23, 1950, Hill 282
    Battle of Hill 282
    The Battle of Hill 282 took place on September 23 during the Korean War, and involved the 1st Battalion Argyll and Sutherland Highlanders in an assault on this position as part an operation by 27th British Commonwealth Brigade on the Naktong River....

     was attacked by 1st Battalion, Argyll & Sutherland Highlanders, part of the British 27th Infantry Brigade
    27th Infantry Brigade (United Kingdom)
    The 27th Infantry Brigade was a British Army brigade during the Second World War and Korean War. In Korea, the brigade was known as 27th British Commonwealth Brigade due to the addition of Canadian, Australian, New Zealand and Indian units....

     in the United Nations
    United Nations
    The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace...

     force. Having captured it and facing strong North Korea
    North Korea
    The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

    n counter-attacks, the Argylls, devoid of artillery support, called in an allied air-strike. A group of F-51 Mustangs of U.S. Air Force's 18th Fighter Bomber Wing circled the hill. The Argylls had laid down yellow air-recognition panels correctly in accordance with that day's planning, but the North Koreans imitated similar panels on their own positions in white. The Mustangs, confused by the panels, mistakenly napalm
    Napalm
    Napalm is a thickening/gelling agent generally mixed with gasoline or a similar fuel for use in an incendiary device, primarily as an anti-personnel weapon...

    -bombed and strafed the Argylls’ hill-top positions. Despite a desperate counter-attack by the Argylls to regain the hill, for which Major Kenneth Muir was awarded a posthumous Victoria Cross
    Victoria Cross
    The Victoria Cross is the highest military decoration awarded for valour "in the face of the enemy" to members of the armed forces of various Commonwealth countries, and previous British Empire territories....

    , the Argylls, much reduced in numbers, were forced to relinquish the position. Over 60 of the Argylls’ casualties were caused by the friendly air-strike.
  • During the Battle of Wawon
    Battle of Wawon
    The Battle of Wawon , also known as the Battle of Wayuan , was a series of delay actions of the Korean War that took place from November 27–29, 1950 near Wawon in present-day North Korea...

    , fleeing soldiers of the South Korean II Corps
    II Corps (South Korea)
    -History:II Corps was created July 24, 1950, just before the Battle of Pusan Perimeter.II Corps consisted of the 1st Division and 6th Infantry Division....

     were mistaken by the Turkish Brigade
    Turkish Brigade
    The Turkish Brigade was a Turkish Army Infantry Brigade that served under United Nations command during the Korean War between 1950 to 1953. Attached to the U.S...

     as Chinese which led to an exchange of fire. As a result 20 South Korean soldiers were killed and 4 others wounded with 14 Turkish deaths and 6 wounded.

Vietnam War

8,000 such incidents have been estimated for the Vietnam War
Vietnam War
The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

; one was the inspiration for the book and film Friendly Fire
Friendly Fire (1979 film)
Friendly Fire is an American television movie first broadcast on the ABC network on April 22, 1979. Watched that night by an estimated 64 million people, Friendly Fire went on to win four Emmy awards, including Outstanding Drama Special....

.
  • January 2, 1966: In Bao Trai in the Mekong Delta
    Mekong Delta
    The Mekong Delta is the region in southwestern Vietnam where the Mekong River approaches and empties into the sea through a network of distributaries. The Mekong delta region encompasses a large portion of southwestern Vietnam of . The size of the area covered by water depends on the season.The...

     during joint Australian/American forces fighting the Vietcong, a USAF Cessna O-1 Bird Dog flying at low level accidentally flew through Australian and New Zealand artillery fire. The aircraft tail was blown off and the aircraft dived into the ground, killing the pilot instantly.
  • At midnight on January 3, 1966, near Bao Trai, Sergeant Jerry Morton from 'C' Company, the 1st Battalion, Royal Australian Regiment
    1st Battalion, Royal Australian Regiment
    1st Battalion, Royal Australian Regiment is a regular light infantry battalion of the Australian Army. 1 RAR was first formed as the 65th Australian Infantry Battalion in 1945 and since then has been deployed on active service during the Korean War, the Malayan Emergency and the Vietnam War...

     had called in marker white phosphorus rounds ahead of the company from the supporting New Zealand gun battery on a suspected enemy position. However, due to the bad coordinates given by Morton, the rounds instead landed on the Australian forces. Morton along with another Australian soldier were killed and several others wounded.
  • January 3, 1966: Two rounds fired by 161 Battery, Royal New Zealand Artillery
    Royal Regiment of New Zealand Artillery
    The Royal New Zealand Artillery forms the artillery section of the New Zealand Army. In its current form it was founded in 1947 with the amalgamation of the regular and volunteer units of artillery in New Zealand.-Modern structure:...

     accidentally landed on the US 173rd Airborne Brigade
    173rd Airborne Brigade Combat Team
    The 173rd Airborne Brigade Combat Team is an airborne infantry brigade combat team of the United States Army based in Vicenza, Italy...

    , killing three paratroopers and wounding seven during Operation Marauder.
  • While supporting Operation Market Time
    Operation Market Time
    Operation Market Time was the United States Navy’s effort to stop troops and supplies from flowing by sea from North Vietnam to South Vietnam during the Vietnam War...

    , was attacked by USAF aircraft, resulting in the deaths of two Coast Guardsmen on 11 August 1966.
  • In 6 February 1967, twelve rounds from New Zealand artillery accidentally landed on the Australian 'D' Company 6th Battalion, Royal Australian Regiment
    6th Battalion, Royal Australian Regiment
    6th Battalion, Royal Australian Regiment is a motorised infantry battalion of the Australian Army. It was originally raised in Brisbane, Queensland, on 6 June 1965 and has since then served in a number of overseas deployments and conflicts including South Vietnam, East Timor and Iraq...

    , killing four and thirteen injured in west of Song Rai river between Nui Dat
    Nui Dat
    Nui Dat in Phuoc Tuy Province was the location of a prominent Australian military base in South Vietnam during the Vietnam War. The site was chosen by Lieutenant General John Wilton in 1966 and was built mainly by men from the 6th Battalion, Royal Australian Regiment...

     and Xuyên Mộc
    Xuyên Mộc
    Xuyên Mộc is a commune and village in Xuyên Mộc District, Ba Ria-Vung Tau Province, in Vietnam....

     District.
  • A U.S. F4 Phantom aircraft dropped a 500 lb (226.8 kg) bomb on the command post of the 2nd Battalion (Airborne) 503d Infantry, 173d Airborne Brigade while they were in heavy contact with a numerically superior NVA force on 19 November 1967. At least 45 paratroopers were killed and another 45 wounded. Also killed was the Battalion Chaplain Major Charles J. Watters
    Charles J. Watters
    Charles Joseph Watters was a Chaplain in the United States Army. He was posthumously awarded the Medal of Honor for bravery exhibited while rescuing wounded men in the Vietnam War, specifically the Battle of Dak To...

    , who was subsequently awarded the Medal of Honor.
  • On 11 May 1969, during the Battle of Hamburger Hill
    Battle of Hamburger Hill
    The Battle of Hamburger Hill was a battle of the Vietnam War which was fought by the United States and South Vietnam against North Vietnamese forces from May 10–20, 1969. Although the heavily fortified Hill 937 was of little strategic value, U.S. command ordered its capture by a frontal assault,...

    , Lt. Col. Weldon Honeycutt directed helicopter gunships, from an Aerial Rocket Artillery (ARA) battery, to support an infantry assault. In the heavy jungle, the helicopters mistook the command post of the 3/187th battalion for a Vietnamese unit and attacked, killing two and wounding thirty-five, including Honeycutt. This incident disrupted battalion command and control and forced 3/187th to withdraw into night defensive positions.
  • 1 May 1970, on military operations in Phước Tuy Province
    Phuoc Tuy Province
    Phước Tuy Province was a province of South Vietnam. It now mostly corresponds to Ba Ria-Vung Tau Province, just southeast of Ho Chi Minh City....

     a burst of machine gun fire followed by a calls for the Medic split the night, an Australian machine gunner opened fire on soldiers of the 8th Battalion, Royal Australian Regiment
    8th Battalion, Royal Australian Regiment
    The 8th Battalion, Royal Australian Regiment was an Australian Army Regular infantry battalion. The battalion was formed in July 1966 as part of an expansion of the Australian Army in the mid 1960s due to the perceived threat of Communism in southeast Asia...

     without warning, killing two and wounded two other soldiers.
  • In 20 July 1970, Patrol units of 'D' Company 8th Battalion, 1st Australian Task Force
    1st Australian Task Force
    The 1st Australian Task Force commanded the Australian and New Zealand Army units deployed to South Vietnam between 1966 and 1972. 1 ATF was based at Nui Dat in Phuoc Tuy Province...

     outside the wire at Nui Dat
    Nui Dat
    Nui Dat in Phuoc Tuy Province was the location of a prominent Australian military base in South Vietnam during the Vietnam War. The site was chosen by Lieutenant General John Wilton in 1966 and was built mainly by men from the 6th Battalion, Royal Australian Regiment...

     called in a New Zealand battery fire mission as part of a training exercise. However there was confusion at the gun position about the fire corrections issued by the inexperienced Australian officer with the patrol. The result was two rounds fell upon the patrol, killing two and wounding several others.
  • New Zealand artillery guns accidentally shelled an Australian platoon, 1 Australian Reinforcement Unit, (1 ARU), killing two and wounding another four soldiers in July 24, 1970.
  • 10 May 1972: A VPAF
    Vietnam People's Air Force
    The Vietnam People's Air Force is the air force of Vietnam. It is the successor of the former North Vietnamese Air Force and the absorbed Republic of Vietnam Air Force following the re-unification of Vietnam in 1975.-Beginning-1964 :The first Vietnamese aircraft were two trainers, a de Havilland...

     MiG-21
    Mikoyan-Gurevich MiG-21
    The Mikoyan-Gurevich MiG-21 is a supersonic jet fighter aircraft, designed by the Mikoyan-Gurevich Design Bureau in the Soviet Union. It was popularly nicknamed "balalaika", from the aircraft's planform-view resemblance to the Russian stringed musical instrument or ołówek by Polish pilots due to...

     was shot down in error by a North Vietnamese surface-to-air missile
    Surface-to-air missile
    A surface-to-air missile or ground-to-air missile is a missile designed to be launched from the ground to destroy aircraft or other missiles...

     near Tuyen Quang
    Tuyen Quang
    -History:The French post at Tuyen Quang was defended for four months against 12,000 troops of the Yunnan Army and the Black Flag Army by two companies of the French Foreign Legion during the Sino-French War...

    , killing a pilot.
  • 2 June 1972: A VPAF MiG-19
    Mikoyan-Gurevich MiG-19
    The Mikoyan-Gurevich MiG-19 is a Soviet second-generation, single-seat, twin jet-engined fighter aircraft. It was the first Soviet production aircraft capable of supersonic speeds in level flight. A comparable U.S...

     was shot down in error by a North Vietnamese surface-to-air missile near Kep Province, killing a pilot.

1974 Turkish Invasion of Cyprus

  • The Turkish destroyer D-354 Kocatepe
    USS Harwood (DD-861)
    USS Harwood was a of the United States Navy. She was named for Commander Bruce L. Harwood USN who was twice awarded the Navy Cross, and killed in action during the Battle of Leyte Gulf....

     was sunk by Turkish warplanes after being mistaken for an enemy ship.
  • A flight of Greek Nord Noratlas
    Nord Noratlas
    The Nord Noratlas was a 1950s French military transport aircraft intended to replace the older types in service at the end of World War II. Several hundred were produced in a run lasting over a decade, finding a wide variety of uses.-Development:...

     aircraft transports carrying reinforcements from Greece was mistaken for a flight of Turkish aircraft by the defenders of Nicosia International Airport, who opened fire. Heavy Greek casualties were sustained.

Falklands War

  • Argentine A-4 Skyhawks attacked the Argentine Merchant Navy ship ELMA
    Empresa Líneas Marítimas Argentinas
    Empresa Líneas Marítimas Argentinas was an Argentine cargo shipping line formed in 1960.-History:It was dismantled during the 1990s as part of president Carlos Menem's 1990s state reform laws...

     Formosa. No bombs exploded and there were no casualties.
  • A Dassault Mirage III
    Dassault Mirage III
    The Mirage III is a supersonic fighter aircraft designed by Dassault Aviation during the late 1950s, and manufactured both in France and a number of other countries. It was a successful fighter aircraft, being sold to many air forces around the world and remaining in production for over a decade...

     was shot down by Argentine Anti-Aircraft and small arms fire at Port Stanley while an A-4 Skyhawk
    A-4 Skyhawk
    The Douglas A-4 Skyhawk is a carrier-capable ground-attack aircraft designed for the United States Navy and United States Marine Corps. The delta winged, single-engined Skyhawk was designed and produced by Douglas Aircraft Company, and later McDonnell Douglas. It was originally designated the A4D...

     was downed by a 35mm antiarcraft battery near Goose Green
    Goose Green
    Goose Green is a settlement in Lafonia on East Falkland in the Falkland Islands. It lies on Choiseul Sound, on the east side of the island's central isthmus, south-southwest of Darwin. With a population of about 70, it is the second largest settlement of the Falkland Islands.Goose Green has a shop...

    . Both aircraft belonged to the Argentine Air Force
    Argentine Air Force
    The Argentine Air Force is the national aviation branch of the Armed Forces of the Argentine Republic. , it had 14,606 military and 6,854 civilian staff.-History:...

    .
  • Companies A and C of the 3rd Battalion, Parachute Regiment, British Army engaged each other in an hour-long firefight in the Falkland Islands involving heavy weapons and artillery strikes, resulting in eight casualties.
  • June 2- A friendly fire incident took place between the SAS and the Special Boat Squadron (SBS). An SBS patrol had apparently strayed into the SAS patrol's designated area and were mistaken for Argentine forces. A brief firefight was initiated during which one of the SBS patrol, Sergeant Ian Hunt, was killed.
  • 1982 British Army Gazelle friendly fire incident
    1982 British Army Gazelle friendly fire incident
    On 6 June 1982, during the Falklands War, the British Royal Navy Type 42 destroyer engaged and destroyed a British Army Gazelle helicopter, serial number XX377, in a friendly fire incident, killing all four occupants...

     - Due to a lack of communication between the Army and the Navy, the destroyer shot down a British Gazelle helicopter over the Falkland Islands
    Falkland Islands
    The Falkland Islands are an archipelago in the South Atlantic Ocean, located about from the coast of mainland South America. The archipelago consists of East Falkland, West Falkland and 776 lesser islands. The capital, Stanley, is on East Falkland...

    . Four British soldiers were killed.

1991 Gulf War

  • During the Battle of Khafji
    Battle of Khafji
    The Battle of Khafji was the first major ground engagement of the Gulf War. It took place in and around the Saudi Arabian city of Khafji, from 29 January to 1 February 1991 and marked the culmination of the Coalition's air campaign over Kuwait and Iraq, which had begun on 17 January 1991.Iraqi...

    , 11 American Marines were killed in two major incidents when their light armored vehicles (LAV's) were hit by American missiles fired by a USAF A-10.
  • An American AH-1 Cobra attack helicopter fired upon US Army Bradley Fighting Vehicles during night operations, killing two US Army soldiers.
  • A British officer was severely injured when his FV510 Warrior
    Warrior Tracked Armoured Vehicle
    The Warrior tracked vehicle family is a series of British armoured vehicles, originally developed to replace the older FV430 series of armoured vehicles. The Warrior started life as the MCV-80 project that was first broached in the 1970s, GKN Sankey/Defence winning the production contract in 1980....

     vehicle was attacked by a Challenger 1 tank of the Royal Scots Dragoon Guards
    Royal Scots Dragoon Guards
    The Royal Scots Dragoon Guards is a cavalry regiment of the British Army, and the senior Scottish regiment. It was formed on 2 July 1971 at Holyrood, Edinburgh, by the amalgamation of the 3rd Carabiniers The Royal Scots Dragoon Guards (Carabiniers and Greys) (SCOTS DG) is a cavalry regiment of...

    .
  • An American A-10 during Operation Desert Storm attacked British Warrior MICVs resulting in nine British dead and numerous casualties.
  • During the Battle of Phase Line Bullet
    Battle of Phase Line Bullet
    The Battle of Phase Line Bullet was one of the clashes which led to the destruction of the Tawakalna Iraqi Republican Guard Division, on February 26, 1991, by a simultaneous attack of two US Armored Divisions , an Infantry Division and the 2nd Armored Cavalry Regiment.The battle was one of the...

    , American M1 Abrams tanks in the rear fired in support of American troops facing dug-in Iraqi troops. American Infantry Fighting Vehicle
    Infantry fighting vehicle
    An infantry fighting vehicle , also known as a mechanized infantry combat vehicle , is a type of armoured fighting vehicle used to carry infantry into battle and provide fire support for them...

    s were hit by fire from the tanks, resulting in two fatalities.
  • Several friendly fire incidents took place during the Battle of 73 Easting
    Battle of 73 Easting
    The Battle of 73 Easting was a decisive tank battle fought on 26 February 1991, during the Gulf War, between American-British armored forces and those of the Iraqi Republican Guard. The battle took place several hours after the Battle of Al Busayyah...

    , wounding 57 American soldiers, but causing no fatalities.
  • One American soldier was killed by friendly fire during the Battle of Medina Ridge
    Battle of Medina Ridge
    The Battle of Medina Ridge was a decisive tank battle fought on February 27, 1991, during the Gulf War, between the U.S. 1st Armored Division and the 2nd Brigade of the Iraqi Republican Guard Medina Luminous Division outside Basra...

    .
  • Two soldiers from 10 Air Defence Battery, Royal Artillery
    Royal Artillery
    The Royal Regiment of Artillery, commonly referred to as the Royal Artillery , is the artillery arm of the British Army. Despite its name, it comprises a number of regiments.-History:...

    , were badly injured when two FV103 Spartan
    FV103 Spartan
    FV103 Spartan is a tracked armoured personnel carrier of the British Army. It was developed as the APC variant of the Combat Vehicle Reconnaissance family. The vehicle can carry up to 7 personnel, including 3 crew members. Armed with a single machine gun, it is almost indistinguishable from the...

     from which they had dismounted were fired upon by Challenger 1 tanks from 14th/20th King's Hussars
    14th/20th King's Hussars
    The 14th/20th King's Hussars was a cavalry regiment of the British Army in existence from 1922 to 1992.- History :Originally styled the 14th/20th Hussars, the regiment was created in 1922 by the amalgamation of the 14th King's Hussars and the 20th Hussars, as part of the reductions in the Army...

     with thermal sights beyond the range of unaided visibility (about 1500 m). The rearmost vehicle was hit and burst into flames. The other vehicle was also damaged in the ensuing fire.
  • A large number of friendly fire incidents took place during the Battle of Norfolk
    Battle of Norfolk
    The Battle of Norfolk was a tank battle fought on February 27, 1991, during the Persian Gulf War, between armored forces of the United States Army and those of the Ba'athist Iraqi Republican Guard...

    , resulting in 5 American casualties.
  • A Challenger 1 tank fired several rounds at the British artillery position. At least 4 casualties.
  • In the 1994 Black Hawk shootdown incident
    1994 Black Hawk shootdown incident
    The 1994 Black Hawk shootdown incident, sometimes referred to as the Black Hawk Incident, was a friendly fire incident over northern Iraq that occurred on April 14, 1994 during Operation Provide Comfort...

    , two U.S. Air Force
    United States Air Force
    The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

     F-15Cs involved with Operation Provide Comfort
    Operation Provide Comfort
    Operation Provide Comfort and Provide Comfort II were military operations by the United States and some of its Gulf War allies, starting in April 1991, to defend Kurds fleeing their homes in northern Iraq in the aftermath of the Persian Gulf War and deliver humanitarian aid to them.-Operation...

     shot down two U.S. Army
    United States Army
    The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

     UH-60 Black Hawks over northern Iraq
    Iraq
    Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

    , killing 29 military and civilian personnel.

War in Afghanistan

  • In the Tarnak Farm incident
    Tarnak Farm incident
    The Tarnak Farm incident refers to the killing of four Canadian soldiers and the injury of eight others from the Third Battalion of Princess Patricia's Canadian Light Infantry on the night of April 17, 2002, by an American F-16 fighter jet. The aircraft, piloted by U.S...

     of April 18, 2002, four Canadian soldiers were killed and eight others injured when U.S. Air National Guard Major Harry Schmidt, dropped a laser-guided 500 lb (226.8 kg) bomb from his F-16 jet fighter on the Princess Patricia's Canadian Light Infantry
    Princess Patricia's Canadian Light Infantry
    Princess Patricia's Canadian Light Infantry is one of the three regular force infantry regiments of the Canadian Army. The regiment is composed of four battalions including a primary reserve battalion, for a total of 2,000 soldiers...

     regiment which was conducting a night firing exercise near Kandahar
    Kandahar
    Kandahar is the second largest city in Afghanistan, with a population of about 512,200 as of 2011. It is the capital of Kandahar Province, located in the south of the country at about 1,005 m above sea level...

    . Schmidt was charged with negligent manslaughter, aggravated assault, and dereliction of duty. He was found guilty of the latter charge. During testimony Schmidt blamed the incident on his use of "go pills" (authorized mild stimulants), combined with the 'fog of war
    Fog of war
    The fog of war is a term used to describe the uncertainty in situation awareness experienced by participants in military operations. The term seeks to capture the uncertainty regarding own capability, adversary capability, and adversary intent during an engagement, operation, or campaign...

    '. The Canadian dead received US medals for "bravery", but no apology.
  • Pat Tillman
    Pat Tillman
    Corporal Patrick Daniel "Pat" Tillman Jr. was an American football player who left his professional career and enlisted in the United States Army in June 2002 in the aftermath of the September 11, 2001, attacks. He joined the Army Rangers and served several tours in combat before he died in the...

    , a former professional American football
    American football
    American football is a sport played between two teams of eleven with the objective of scoring points by advancing the ball into the opposing team's end zone. Known in the United States simply as football, it may also be referred to informally as gridiron football. The ball can be advanced by...

     player, was shot and killed by American fire in April 22, 2004. An Army Special Operations Command investigation was conducted by Brigadier General Jones and the U.S. Department of Defense concluded that Pat Tillman's death was due to friendly fire aggravated by the intensity of the firefight. A more thorough investigation concluded that no hostile forces were involved in the firefight and that two allied groups fired on each other in confusion after a nearby explosive device was detonated.
  • On April 6, 2006, a British convoy in Afghanistan wounded 13 Afghan police officers and killed one, after calling in a US airstrike on what they thought was a Taliban attack.
  • In Sangin
    Sangin
    Sangin is a town in Helmand province of Afghanistan, with population of approximately 14,000 people. It is located on in the valley of the Helmand River at 888 m altitude, 95 km to the north-east of Lashkar Gah. Sangin is notorious as one of the central locations of the opium trade in the...

     Province, a RAF Harrier mistakenly strafed British troops missing the enemy by 200 metres during a firefight with the Taliban in August 20, 2006. This angered British Major James Loden of 3 PARA
    3rd Battalion, The Parachute Regiment
    The 3rd Battalion, The Parachute Regiment is a battalion sized formation of the British Army's Parachute Regiment and subordinate unit within 16 Air Assault Brigade....

    , who called the RAF, "Completely incompetent and utterly, utterly useless in protecting ground troops in Afghanistan". British paratroopers even said that they rather prefer US air-support over the RAF.
  • Canadian soldiers opened fire on his white pickup truck, about 25 kilometres west of Kandahar, killing an Afghan officer with 6 others injured in August 26, 2006.
  • Operation Medusa
    Operation Medusa
    Operation Medusa was a Canadian-led offensive by major elements of the International Security Assistance Force, Afghan National Army and an A-Team from the 3rd Special Forces Group, as part of the ongoing war in Afghanistan. It aimed to establish government control over an area of Kandahar...

     (2006): 1 - Two U.S. A-10 Thunderbolts accidentally strafed
    Strafing
    Strafing is the practice of attacking ground targets from low-flying aircraft using aircraft-mounted automatic weapons. This means, that although ground attack using automatic weapons fire is very often accompanied with bombing or rocket fire, the term "strafing" does not specifically include the...

     NATO forces in southern Afghanistan, killing Canadian Private Mark Anthony Graham
    Mark Anthony Graham
    Mark Anthony Graham was a Canadian Olympic athlete and soldier who died while participating in Operation Medusa during the NATO mission in Afghanistan....

    .
  • On 5 December 2006, an F/A-18C on a Close Air Support
    Close air support
    In military tactics, close air support is defined as air action by fixed or rotary winged aircraft against hostile targets that are close to friendly forces, and which requires detailed integration of each air mission with fire and movement of these forces.The determining factor for CAS is...

     mission in Helmand Province
    Helmand Province
    Helmand is one of the 34 provinces of Afghanistan. It is in the southwest of the country. Its capital is Lashkar Gah. The Helmand River flows through the mainly desert region, providing water for irrigation....

    , Afghanistan, mistakenly attacked a trench where British Royal Marines were dug-in during a 10-hour battle with Taliban fighters, killing one Royal Marine.
  • Lance Corporal Matthew Ford, from Zulu Company of 45 Commando Royal Marines, died after receiving a gunshot wound in Afghanistan on January 15, 2007, which was later found to be due to friendly fire. The final inquest ruled he died from NATO rounds from a fellow Royal Marine's machine gun. The report added there was no "negligence" by the other Marine, who had made a "momentary error of judgment".
  • Canadian troops mistakenly killed a Afghan National Police officer and a homeless beggar after their convoy was ambushed in Kandahar City.
  • Of two helicopters called in to support operations by the British Grenadier Guards
    Grenadier Guards
    The Grenadier Guards is an infantry regiment of the British Army. It is the most senior regiment of the Guards Division and, as such, is the most senior regiment of infantry. It is not, however, the most senior regiment of the Army, this position being attributed to the Life Guards...

     and Afghan National Army
    Afghan National Army
    The Afghan National Army is a service branch of the military of Afghanistan, which is currently trained by the coalition forces to ultimately take the role in land-based military operations in Afghanistan. , the Afghan National Army is divided into seven regional Corps. The strength of the Afghan...

     forces in Helmand, the British Westland WAH-64 Apache
    Westland WAH-64 Apache
    The AgustaWestland Apache is a licence-built version of the Boeing AH-64D Apache Longbow attack helicopter for the British Army's Army Air Corps. The first eight helicopters were built by Boeing; the remaining 59 were assembled by Westland Helicopters at Yeovil, Somerset in England from...

     engaged enemy forces, while the accompanying American AH-64D Apache opened fire on the Grenadiers and Afghan troops.
  • August 23, 2007: A USAF F-15 called in to support British ground forces in Afghanistan dropped a bomb on those forces. Three privates of the 1st Battalion, the Royal Anglian Regiment, were killed and two others were severely injured. It was later revealed that the British forward air controller who called in the strike had not been issued a noise-cancelling headset, and while he supplied the correct target co-ordinates, in the confusion and stress of the battle incorrectly confirmed one wrong digit mistakenly repeated by the pilot, and the bomb landed on the British position 1000 metres away from the enemy. The coroner at the soldiers' inquest stated that the incident was due to "flawed application of procedures" rather than individual errors or "recklessness".
  • British soldiers in operations in Helmand Province, Afghanistan, fired Javelin anti-tank missiles
    FGM-148 Javelin
    The FGM-148 Javelin is a United States-made man-portable third generation anti-tank missile fielded to replace the Dragon antitank missile.-Overview:Javelin is a fire-and-forget missile with lock-on before launch and automatic self-guidance...

     at Danish
    Denmark
    Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

     soldiers from the Royal Life Guards, killing two. It is also confirmed from Danish forces that the British fired a total of 6-8 Javelin missiles, over a 1½ hour period and only after the attack was completed did they realize that the missiles were British, based upon the fragments found after the incident.
  • On January 12, 2008, two Dutch soldiers and two allied Afghan soldiers were shot dead by fellow Dutch soldiers in Uruzgan, Afghanistan.
  • In the night on 14 January 2008 in Helmand Province
    Helmand Province
    Helmand is one of the 34 provinces of Afghanistan. It is in the southwest of the country. Its capital is Lashkar Gah. The Helmand River flows through the mainly desert region, providing water for irrigation....

    , British troops saw some Afghans "conducting suspicious activities". Visibility was too bad for rifle-fire and they were too far away to call in mortar strikes. The squad decided to use a Javelin anti-tank missile
    FGM-148 Javelin
    The FGM-148 Javelin is a United States-made man-portable third generation anti-tank missile fielded to replace the Dragon antitank missile.-Overview:Javelin is a fire-and-forget missile with lock-on before launch and automatic self-guidance...

     missile they were carrying. British soldiers fired their missile on the nearby roof but the victims were their own Afghan army sentries. One Afghan soldier was killed.
  • On July 9, 2008, nine British soldiers from the 2nd Battalion, The Parachute Regiment
    2nd Battalion, The Parachute Regiment
    The Second Battalion, The Parachute Regiment is a battalion-sized formation of the British Army's Parachute Regiment and subordinate unit within 16th Air Assault Brigade whose Commanding Officer was Lieutenant Colonel Joseph O'Sullivan....

     were injured after being fired upon by British Army Apache helicopter while on patrol in Afghanistan.
  • A statement issued jointly by the American and the Afghan military commands said a contingent of Afghan police officers fired on United States forces on 10 December 2008 after the Americans had successfully overrun the hide-out, killing the suspected Taliban commander and detaining another man. The US forces after securing the hideout came under heavy small arms fire and explosive grenades from the Afghan Police forces. "Multiple attempts to deter the engagement were unsuccessful," and the US forces returned fire. Afghan police have stated that they came under fire first and that the initial firing on the US forces came from the building next to the police station. This has led the US forces to conclude that the Afghan police forces might have been compromised. Initial reports indicate that this was a tragic case of mistaken identity on both parts.
  • Captain Tom Sawyer, aged 26, 29 Commando Regiment Royal Artillery, and Corporal Danny Winter, aged 28, Zulu Company 45 Commando Royal Marines, were killed by an explosion on 14 January 2009. Both men were taking part in a joint operation with a Danish Battle Group and the Afghan National Army in a location north east of Gereshk in central Helmand Province. The MoD
    Ministry of Defence (United Kingdom)
    The Ministry of Defence is the United Kingdom government department responsible for implementation of government defence policy and is the headquarters of the British Armed Forces....

     subsequently confirmed that two men died from friendly fire when they were hit in error by a Javelin anti-tank missile from British troops.
  • A British Military Police
    Royal Military Police
    The Royal Military Police is the corps of the British Army responsible for the policing of service personnel, and for providing a military police presence both in the UK, and whilst service personnel are deployed overseas on operations and exercises.Members of the RMP are generally known as...

     officer was shot dead by a fellow British soldier while on patrol. It was reported that no charges are to be brought against a British army sniper who killed a British Military Policeman because he was allowed to open fire if he believed that his life was in danger.
  • German soldiers killed six Afghan soldiers in a friendly fire incident on their way to attack a Taliban. Afghan soldiers were traveling in support of other Afghan troops in the area. The German Patrol opened fire killing six.
  • Sapper Mark Antony Smith, age 26, of the 36 Engineer Regiment, Royal Engineers
    Royal Engineers
    The Corps of Royal Engineers, usually just called the Royal Engineers , and commonly known as the Sappers, is one of the corps of the British Army....

    , was killed by a smoke shell fired upon by British troops in Sangin
    Sangin
    Sangin is a town in Helmand province of Afghanistan, with population of approximately 14,000 people. It is located on in the valley of the Helmand River at 888 m altitude, 95 km to the north-east of Lashkar Gah. Sangin is notorious as one of the central locations of the opium trade in the...

     Province, Afghanistan. The MoD
    Ministry of Defence (United Kingdom)
    The Ministry of Defence is the United Kingdom government department responsible for implementation of government defence policy and is the headquarters of the British Armed Forces....

     is investigating his death and said a smoke shell, designed to provide cover for soldiers working on the ground, may have fallen short of its intended target.

Iraq War

  • In the Battle of Nasiriyah
    Battle of Nasiriyah
    The Battle of Nasiriyah was one of the first major battles of the 2003 invasion of Iraq. Heavy fighting took place in the southern Iraqi city of Nasiriyah between Iraqi forces and U.S. Marines over control of key bridges over the Euphrates River and the Saddam Canal.The battle began early on 23...

    , an American force of Amphibious Assault Vehicles (AAVs) and infantry under intense enemy fire were misidentified as an Iraqi armored column by two U.S. Air Force A-10s who carried out bombing and strafing runs on them. One U.S. Marine was killed and 17 were wounded as a result.
  • A U.S. Patriot missile
    MIM-104 Patriot
    The MIM-104 Patriot is a surface-to-air missile system, the primary of its kind used by the United States Army and several allied nations. It is manufactured by the Raytheon Company of the United States. The Patriot System replaced the Nike Hercules system as the U.S. Army's primary High to Medium...

     shot down a British Panavia Tornado
    Panavia Tornado
    The Panavia Tornado is a family of twin-engine, variable-sweep wing combat aircraft, which was jointly developed and manufactured by the United Kingdom, West Germany and Italy...

     GR.4A of No. 13 Squadron RAF, killing the pilot and navigator. Investigations showed that the Tornado's Identification friend or foe
    Identification friend or foe
    In telecommunications, identification, friend or foe is an identification system designed for command and control. It is a system that enables military and national interrogation systems to identify aircraft, vehicles, or forces as friendly and to determine their bearing and range from the...

     indicator had malfunctioned and hence it was not identified as a friendly aircraft.
  • Sgt Steven Roberts, a tank commander of the 2nd Royal Tank Regiment
    2nd Royal Tank Regiment
    The 2nd Royal Tank Regiment is an armoured regiment of the British Army. It is part of the Royal Tank Regiment, itself part of the Royal Armoured Corps...

    , was accidentally shot and killed by a fellow British soldier during the incident at a roadblock at Az Zubayr near Basra on March 24, 2003. It was reported that no British soldiers were to be charged for his death.
  • A British Challenger 2 tank
    Challenger 2 tank
    FV4034 Challenger 2 is a British main battle tank currently in service with the armies of the United Kingdom and Oman. It was designed and built by the British company Vickers Defence Systems . The manufacturer advertises it as the world's most reliable main battle tank...

     came under fire from another British tank in a nighttime firefight. The turret was blown off and two of the crewmembers were killed.
  • 190th Fighter Squadron/Blues and Royals friendly fire incident - March 28, 2003
    190th Fighter Squadron, Blues and Royals friendly fire incident
    The 190th Fighter Squadron, Blues and Royals friendly fire incident was a friendly fire incident involving two United States Air Force Air National Guard 190th Fighter Squadron attack aircraft, and vehicles from the United Kingdom's D Squadron, The Blues and Royals of the Household Cavalry, and...

    . A pair of American A-10s from the 190th attacked four British armoured reconnaissance vehicles of the Blues and Royals
    Blues and Royals
    The Blues and Royals is a cavalry regiment of the British Army, part of the Household Cavalry. The Colonel-in-Chief is Her Majesty The Queen and the Colonel is HRH The Princess Royal...

    , killing one and injuring five.
  • British Royal Marine
    Royal Marines
    The Corps of Her Majesty's Royal Marines, commonly just referred to as the Royal Marines , are the marine corps and amphibious infantry of the United Kingdom and, along with the Royal Navy and Royal Fleet Auxiliary, form the Naval Service...

     Christopher Maddison was killed when his river patrol boat was hit by missiles after being wrongly identified as an enemy vessel approaching a Royal Engineers
    Royal Engineers
    The Corps of Royal Engineers, usually just called the Royal Engineers , and commonly known as the Sappers, is one of the corps of the British Army....

     checkpoint on the Al-Faw Peninsula
    Al-Faw Peninsula
    The Faw peninsula is a marshy region adjoining the Persian Gulf in the extreme south-east of Iraq, between and to the south-east of the cities of Basra and Abadan ....

    , Iraq.
  • US Patriot missile
    MIM-104 Patriot
    The MIM-104 Patriot is a surface-to-air missile system, the primary of its kind used by the United States Army and several allied nations. It is manufactured by the Raytheon Company of the United States. The Patriot System replaced the Nike Hercules system as the U.S. Army's primary High to Medium...

     batteries fired two missiles on a US Navy F/A-18C Hornet 50 mi (80.5 km) from Karbala
    Karbala
    Karbala is a city in Iraq, located about southwest of Baghdad. Karbala is the capital of Karbala Governorate, and has an estimated population of 572,300 people ....

    , Iraq. One missile hit the aircraft of pilot Lieutenant Nathan Dennis White of VFA-195
    VFA-195
    Strike Fighter Squadron 195 , also known as the "Dambusters", is a United States Navy F/A-18E Super Hornet fighter squadron stationed at Naval Air Facility Atsugi...

    , Carrier Air Wing Five
    Carrier Air Wing Five
    Carrier Air Wing Five , is a United States Navy aircraft carrier air wing based at Naval Air Facility Atsugi, Japan. The air wing is attached to the aircraft carrier USS George Washington .-Mission:...

    , killing him. This was the result of the missile design flaw in identifying hostile aircraft.
  • American aircraft attacked a friendly Kurdish & U.S. Special Forces convoy, killing 15. BBC
    BBC
    The British Broadcasting Corporation is a British public service broadcaster. Its headquarters is at Broadcasting House in the City of Westminster, London. It is the largest broadcaster in the world, with about 23,000 staff...

     translator Kamaran Abdurazaq Muhamed was killed and BBC reporter Tom Giles and World Affairs Editor John Simpson were injured. The incident was filmed.
  • Fusilier Kelan Turrington, of the 1st Battalion, Royal Regiment of Fusiliers
    Royal Regiment of Fusiliers
    The Royal Regiment of Fusiliers is an infantry regiment of the British Army, part of the Queen's Division.The regiment was formed on April 23, 1968, as part of the reforms of the army that saw the creation of the first 'large infantry regiments', by the amalgamation of the four English fusilier...

    , was killed by machine-gun fire from a British tank.
  • American soldier Mario Lozano
    Mario Lozano
    Mario Lozano is a member of the U.S. Army holding the rank of specialist , who was once indicted by an Italian court for his role in the death of Italian Secret Service officer Nicola Calipari in an incident on Route Irish, immediately following the Rescue of Giuliana Sgrena...

     killed an Italian intelligence officer Nicola Calipari
    Nicola Calipari
    Nicola Calipari was an Italian SISMI military intelligence officer with the rank of Major General. Calipari was killed by United States soldiers while escorting a recently released Italian hostage, journalist Giuliana Sgrena, to Baghdad International Airport.- Career :Calipari was born in Reggio...

     and is suspected of wounding Italian journalist Giuliana Sgrena
    Giuliana Sgrena
    Giuliana Sgrena is an Italian journalist who works for the Italian communist newspaper Il Manifesto and the German weekly Die Zeit. While working in Iraq, she was kidnapped by insurgents on February 4, 2005. After her release on March 4, 2005, Sgrena and the two Italian intelligence officers who...

     in Baghdad
    Baghdad
    Baghdad is the capital of Iraq, as well as the coterminous Baghdad Governorate. The population of Baghdad in 2011 is approximately 7,216,040...

    . Sgrena had been kidnapped and subsequently rescued
    Rescue of Giuliana Sgrena
    The Rescue of Giuliana Sgrena was a covert operation by the Italian military secret service, SISMI, to rescue Italian journalist Giuliana Sgrena from kidnappers in Iraq...

     by Calipari; however, it is claimed that the car they were escaping in failed to stop at an American checkpoint, and U.S. soldiers opened fire. This claim has been later denied by video proof that the car was respecting speed limits and proceeding with front lights turned on. The shooting commenced well before 50 meters, in contrast with what Lozano and other marines testified.
  • During a raid on 16 July 2006 to apprehend a key terrorist leader and accomplice in a suburb of North Basra
    Basra
    Basra is the capital of Basra Governorate, in southern Iraq near Kuwait and Iran. It had an estimated population of two million as of 2009...

    , Cpl John Cosby, of the Devonshire and Dorset Regiment
    Devonshire and Dorset Regiment
    The Devonshire and Dorset Regiment, usually just known as the Devon and Dorsets, was an infantry regiment of the British Army. It was formed in 1958 by the amalgamation of two county regiments:*The Devonshire Regiment*The Dorset Regiment...

    , was killed by a 5.56 mm round from a British-issued SA80
    SA80
    The SA80 is a British family of 5.56mm small arms. It is a selective fire, gas-operated assault rifle. SA80 prototypes were trialled in 1976 and production was completed in 1994....

    . It was ruled to be a case of friendly fire by the coroner. It was reported that the British forces who shot him were unclear about the rules of engagement.
  • An American airstrike killed eight Kurdish Iraqi soldiers. Kurdish officials advised US helicopters hit the men who were guarding a branch of the Patriotic Union of Kurdistan
    Patriotic Union of Kurdistan
    The Patriotic Union of Kurdistan is a Kurdish political party in Iraqi Kurdistan. The Patriotic Union of Kurdistan was founded on June 1, 1975, by coordinations between Jalal Talabani and Nawshirwan Mustafa...

     (PUK) in Mosul
    Mosul
    Mosul , is a city in northern Iraq and the capital of the Ninawa Governorate, some northwest of Baghdad. The original city stands on the west bank of the Tigris River, opposite the ancient Assyrian city of Nineveh on the east bank, but the metropolitan area has now grown to encompass substantial...

    . The US military said the attack was launched after soldiers identified armed men in a bunker near a building reportedly used for bomb-making, and that American troops called for the men to put down their weapons in Arabic and Kurdish
    Kurdish language
    Kurdish is a dialect continuum spoken by the Kurds in western Asia. It is part of the Iranian branch of the Indo-Iranian group of Indo-European languages....

     before launching the strike.

Gaza War

  • On 1 June 2009 an Israeli tank fired on a building occupied by Israeli troops after mistaking them for enemy fighters, killing three soldiers and wounding 20.

Other incidents

  • 1948 - 1948 Arab-Israeli War
    1948 Arab-Israeli War
    The 1948 Arab–Israeli War, known to Israelis as the War of Independence or War of Liberation The war commenced after the termination of the British Mandate for Palestine and the creation of an independent Israel at midnight on 14 May 1948 when, following a period of civil war, Arab armies invaded...

    : Col. Mickey Marcus
    Mickey Marcus
    David Daniel "Mickey" Marcus was a United States Army colonel who assisted Israel during the 1948 Arab-Israeli War, and who became Israel's first general . He was killed by friendly fire, when he was mistaken for an enemy infiltrator while returning to Israeli positions at night.Marcus is the best...

    , returning on foot to base, was shot dead by a young Israeli soldier, due to confusion and miscommunication.
  • 1956 - Suez Crisis
    Suez Crisis
    The Suez Crisis, also referred to as the Tripartite Aggression, Suez War was an offensive war fought by France, the United Kingdom, and Israel against Egypt beginning on 29 October 1956. Less than a day after Israel invaded Egypt, Britain and France issued a joint ultimatum to Egypt and Israel,...

    : Attacks from British Royal Navy carrier-borne aircraft caused heavy casualties to 45 Commando
    45 Commando
    45 Commando Royal Marines is a battalion sized unit of the British Royal Marines and subordinate unit within 3 Commando Brigade Royal Marines, the principal Commando formation, under the Operational Command of Commander in Chief Fleet....

     and HQ.
  • 1999 - Maj. Predrag Milutinović flying in his MiG-29 was shot down by Yugoslav Army Air Defense SAM
    Surface-to-air missile
    A surface-to-air missile or ground-to-air missile is a missile designed to be launched from the ground to destroy aircraft or other missiles...

     (SA-6 probably) while it was trying to land at Niš airport
    Niš Constantine the Great Airport
    Niš Constantine the Great Airport , is a Serbian airport that serves southern Serbia and the city of Niš. The airport, which is named for Constantine the Great, is located from the Niš city centre and is Serbia's second international airport.- History :...

     during the NATO bombing of Yugoslavia 1999.
  • 2011 - 2011 Libyan civil war
    2011 Libyan civil war
    The 2011 Libyan civil war was an armed conflict in the North African state of Libya, fought between forces loyal to Colonel Muammar Gaddafi and those seeking to oust his government. The war was preceded by protests in Benghazi beginning on 15 February 2011, which led to clashes with security...

    : A MiG-23BN
    Mikoyan-Gurevich MiG-23
    The Mikoyan-Gurevich MiG-23 is a variable-geometry fighter aircraft, designed by the Mikoyan-Gurevich design bureau in the Soviet Union. It is considered to belong to the Soviet third generation jet fighter category, along with similarly aged Soviet fighters such as the MiG-25 "Foxbat"...

     flying for the Free Libyan Air Force
    Free Libyan Air Force
    The Free Libyan Air Force is the air force of the National Transitional Council, a collection of defected Loyalist Military personnel and captured aircraft that have aligned themselves with the Anti-Gaddafi forces of the 2011 Libyan civil war.-Operations:...

     was shot down over Benghazi
    Benghazi
    Benghazi is the second largest city in Libya, the main city of the Cyrenaica region , and the former provisional capital of the National Transitional Council. The wider metropolitan area is also a district of Libya...

     when it was mistaken for a Libyan Air Force
    Libyan Air Force
    The Libyan Air Force is the branch of the Libyan Armed Forces responsible for aerial warfare. In 2010, before the 2011 Libyan civil war, the Libyan Air Force personnel strength was estimated at 18,000, with an inventory of 374 combat capable aircraft operating from 13 military airbases in...

     fighter. The pilot was killed after he ejected too late.

See also

  • Collateral damage
    Collateral damage
    Collateral damage is damage to people or property that is unintended or incidental to the intended outcome. The phrase is prevalently used as an euphemism for civilian casualties of a military action.-Etymology:...

  • Fragging
    Frag (military)
    In the U.S. military, fragging refers to the act of attacking a superior officer in one's chain of command with the intent to kill that officer. The term originated during the Vietnam War and was most commonly used to mean the assassination of an unpopular officer of one's own fighting unit...

    , the intentional killing of a friendly soldier.
  • Identification friend or foe
    Identification friend or foe
    In telecommunications, identification, friend or foe is an identification system designed for command and control. It is a system that enables military and national interrogation systems to identify aircraft, vehicles, or forces as friendly and to determine their bearing and range from the...

  • List of airliner shootdown incidents
  • List of post-1945 U.S. friendly-fire incidents with British victims
  • Team killing
    Team killing
    In video games, team killing or TKing refers to the act of purposely killing another player on the same team as their own. It happens mainly in First-person shooters and any game where players have the ability to kill either players on a different team, or Artificial intelligence...

    , a computer-game term for often-intentional, friendly fire.

External links

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