List of allied military operations of the Vietnam War (1971)

This article is a list of known military operations of 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...

in 1971, conducted by the armed forces of the Republic of Vietnam, the Khmer Republic

Khmer Republic

The Khmer Republic or République Khmère, was the republican government of Cambodia that was formally declared on October 9, 1970. The Khmer Republic was disestablished in 1975 and was followed by the totalitarian communist state known as Democratic Kampuchea.-Background:Formally declared on October...

, the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

and their allies.

Date Duration	Operation Military operation Military operation is the coordinated military actions of a state in response to a developing situation. These actions are designed as a military plan to resolve the situation in the state's favor. Operations may be of combat or non-combat types, and are referred to by a code name for the purpose... Name	Unit(s) – Description	Location	VC-NVA KIA Killed in action Killed in action is a casualty classification generally used by militaries to describe the deaths of their own forces at the hands of hostile forces. The United States Department of Defense, for example, says that those declared KIA need not have fired their weapons but have been killed due to... 's	Allied KIA's
Jan 1 – Mar 13	Operation Greene Storm	173rd Airborne Brigade operation	Binh Dinh Binh Dinh Province Bình Định is a province of Vietnam. It is located in Vietnam's South Central Coast region.-Administration:Binh Dinh is divided into one city and 10 districts:An LãoAn NhơnHoài ÂnHoài NhơnPhù CátPhù MỹTuy PhướcTây Sơn*Vân Canh... , Phu Bon and Pleiku Provinces
Jan 1 – Mar 31	Operation Greene Lightning	173rd Airborne Brigade operation	Binh Dinh Province Binh Dinh Province Bình Định is a province of Vietnam. It is located in Vietnam's South Central Coast region.-Administration:Binh Dinh is divided into one city and 10 districts:An LãoAn NhơnHoài ÂnHoài NhơnPhù CátPhù MỹTuy PhướcTây Sơn*Vân Canh...
Jan 1 – Apr 31	Operation Keystone Robin (Charlie)	Redeployment of the 1st Cavalry Division, 2nd Brigade, 25th Infantry Division and 11th Armored Cavalry Regiment from South Vietnam to the United States
Jan 4 – 21	Operation Golden Dragon II	ROK 2nd Marine Brigade 2nd Marine Brigade (Republic of Korea) The 2nd Marine Division , notably known as Blue Dragon , is an infantry division of the Republic of Korea Marine Corps.-History:On June 1, 1965, Prime Minister of South Vietnam Nguyen Cao Ky requested military aid from the Republic of Korea... clear and search operation	Quang Nam Province Quang Nam Province Quảng Nam is a province on the South Central Coast of Vietnam. It is bordered by Thua Thien-Huế province to the north, the nation of Laos to the west, Kon Tum Province to the southwest, Quảng Ngãi Province to the southeast, the South China Sea to the east, and the city of Da Nang to the...	1
Jan 11 – Mar 29	Operation Upshur Stream	1st Reconnaissance Battalion 1st Reconnaissance Battalion 1st Reconnaissance Battalion is a reconnaissance battalion in the United States Marine Corps. It falls under the command of the 1st Marine Division and the I Marine Expeditionary Force .... , 1st Battalion, 1st Marines and 1st Battalion, 11th Marines search and destroy operation	Quang Nam Province Quang Nam Province Quảng Nam is a province on the South Central Coast of Vietnam. It is bordered by Thua Thien-Huế province to the north, the nation of Laos to the west, Kon Tum Province to the southwest, Quảng Ngãi Province to the southeast, the South China Sea to the east, and the city of Da Nang to the...
Jan 30 – Feb 5	Operation Dewey Canyon II	1st Brigade, 5th Infantry Division, 101st Airborne Division 101st Airborne Division The 101st Airborne Division—the "Screaming Eagles"—is a U.S. Army modular light infantry division trained for air assault operations. During World War II, it was renowned for its role in Operation Overlord, the D-Day landings on 6 June 1944, in Normandy, France, Operation Market Garden, the... and 2nd Squadron, 17th Cavalry Regiment 17th Cavalry Regiment (United States) The 17th Cavalry is a historical organization within the United States Army that began as a regiment of cavalry after the Pancho Villa Expedition. The unit was constituted on 1 July 1916 in the Regular Army as the 17th Cavalry at Fort Bliss, Texas and originally inactivated 26 September 1921 at the... operation to support the ARVN Operation Lam Son 719 Operation Lam Son 719 Operation Lam Son 719 was a limited-objective offensive campaign conducted in southeastern portion of the Kingdom of Laos by the armed forces of the Republic of Vietnam between 8 February and 25 March 1971, during the Vietnam War... effort to open Route 9 National Road 9 (Vietnam) National Route 9 runs across Vietnam roughly in line with the 17th Parallel. The route includes two segments. The segment called National Route 9A begins at Dong Ha and ends at Lao Bảo on the Vietnam-Laos border and is entirely within Quang Tri Province... through Khe Sanh Khe Sanh Khe Sanh is the district capital of Hướng Hoá District, Quảng Trị Province, Vietnam, located 63 km west of Đông Hà.Khe Sanh Combat Base was a United States Marine Corps outpost in South Vietnam used during the Vietnam War. The airstrip was built in September 1962... to the Laotian border and to reestablish Khe Sanh as a major combat support base	Route 9 National Road 9 (Vietnam) National Route 9 runs across Vietnam roughly in line with the 17th Parallel. The route includes two segments. The segment called National Route 9A begins at Dong Ha and ends at Lao Bảo on the Vietnam-Laos border and is entirely within Quang Tri Province...		estimated 75
Feb 2 – Mar 8	Operation Ivy	173rd Airborne Brigade reconnaissance operation
Feb 3 – Mar 10	Operation Hoang Dieu 103	III MAF, ROK 2nd Marine Brigade 2nd Marine Brigade (Republic of Korea) The 2nd Marine Division , notably known as Blue Dragon , is an infantry division of the Republic of Korea Marine Corps.-History:On June 1, 1965, Prime Minister of South Vietnam Nguyen Cao Ky requested military aid from the Republic of Korea... and ARVN 51st Regiment operation	Quang Nam Province Quang Nam Province Quảng Nam is a province on the South Central Coast of Vietnam. It is bordered by Thua Thien-Huế province to the north, the nation of Laos to the west, Kon Tum Province to the southwest, Quảng Ngãi Province to the southeast, the South China Sea to the east, and the city of Da Nang to the...
Feb 8 – Mar 25	Operation Lam Son 719 Operation Lam Son 719 Operation Lam Son 719 was a limited-objective offensive campaign conducted in southeastern portion of the Kingdom of Laos by the armed forces of the Republic of Vietnam between 8 February and 25 March 1971, during the Vietnam War...	ARVN armored and airborne invasion of Laos Laos Laos Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ Sathalanalat Paxathipatai Paxaxon Lao, officially the Lao People's Democratic Republic, is a landlocked country in Southeast Asia, bordered by Burma and China to the northwest, Vietnam to the east, Cambodia to the south and Thailand to the west... with US airlift and air support along Route 9 National Road 9 (Vietnam) National Route 9 runs across Vietnam roughly in line with the 17th Parallel. The route includes two segments. The segment called National Route 9A begins at Dong Ha and ends at Lao Bảo on the Vietnam-Laos border and is entirely within Quang Tri Province... to Tchepone to sever the Ho Chi Minh Trail Ho Chi Minh trail The Ho Chi Minh trail was a logistical system that ran from the Democratic Republic of Vietnam to the Republic of Vietnam through the neighboring kingdoms of Laos and Cambodia...	Route 9 National Road 9 (Vietnam) National Route 9 runs across Vietnam roughly in line with the 17th Parallel. The route includes two segments. The segment called National Route 9A begins at Dong Ha and ends at Lao Bảo on the Vietnam-Laos border and is entirely within Quang Tri Province...	2163	1529 ARVN KIA, 625 MIA 215 US KIA, 38 MIA
Mar 1 – Jul 1	Operation Finney Hill	11th Infantry Brigade 11th Infantry Brigade (United States) The 11th Infantry Brigade was an infantry brigade of the United States Army. It was first formed as part of the United States Army's 6th Division during World War I, however it is best known for its service as a separate Brigade in the Vietnam War... and 198th Infantry Brigade operation	Quang Ngai Province Quang Ngai Province Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:...	781	93
Mar 1 – Jul 1	Operation Middlesex Peak	196th Infantry Brigade, 198th Infantry Brigade and ARVN 2nd Division 2nd Division (South Vietnam) The 2nd Division of the Army of the Republic of Vietnam —the army of the nation state of South Vietnam that existed from 1955 to 1975—was part of the I Corps that oversaw the northernmost region of South Vietnam, the centre of Vietnam.... operation	Quang Tin and Quang Ngai Province Quang Ngai Province Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:... s	463
Mar 9	Operation Bright Light	198th Infantry Brigade POW recovery operation	Quang Ngai Province Quang Ngai Province Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:...
Mar 13 – 27	Operation Wasco Rapids	198th Infantry Brigade and ARVN 2nd Division 2nd Division (South Vietnam) The 2nd Division of the Army of the Republic of Vietnam —the army of the nation state of South Vietnam that existed from 1955 to 1975—was part of the I Corps that oversaw the northernmost region of South Vietnam, the centre of Vietnam.... clear and search operation in	Song Ve river valley, Quang Ngai Province Quang Ngai Province Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:...
Mar 14 – Apr 21	Operation Greene Sure	173rd Airborne Brigade operation	Binh Dinh Province Binh Dinh Province Bình Định is a province of Vietnam. It is located in Vietnam's South Central Coast region.-Administration:Binh Dinh is divided into one city and 10 districts:An LãoAn NhơnHoài ÂnHoài NhơnPhù CátPhù MỹTuy PhướcTây Sơn*Vân Canh...
Apr 8 – Jul 11	Operation Montana Mustang	1st Brigade, 5th Infantry Division operation intended to locate and destroy enemy forces, eliminate VC infrastructure, conduct reaction/exploitation operations and assist in pacification and Vietnamization Vietnamization Vietnamization was a policy of the Richard M. Nixon administration during the Vietnam War, as a result of the Viet Cong's Tet Offensive, to "expand, equip, and train South Vietnam's forces and assign to them an ever-increasing combat role, at the same time steadily reducing the number of U.S....	Quang Tri Province Quang Tri Province Quảng Trị is a province on the North Central Coast of Vietnam, north of the former imperial capital of Huế.-Geography:Located in North Central Vietnam, Quang Tri Province is surrounded by Quang Binh Province on the north, Thua Thien-Hue Province on the south, Savannakhet Province of Laos on the...	91	57
Apr 29 – Jul 1	Operation Caroline Hill	196th Infantry Brigade operation	Quang Nam Province Quang Nam Province Quảng Nam is a province on the South Central Coast of Vietnam. It is bordered by Thua Thien-Huế province to the north, the nation of Laos to the west, Kon Tum Province to the southwest, Quảng Ngãi Province to the southeast, the South China Sea to the east, and the city of Da Nang to the...
May 1 – Jun 30	Operation Keystone Oriole (Alpha)	Redeployment of three infantry battalions and one air cavalry squadron from South Vietnam to the United States
May 4 – 31	Operation Toan Thang TT02	ARVN III Corps operation to lure the VC with a regiment placed in Snoul	north of Loc Ninh Loc Ninh Lộc Ninh is a town in southern Vietnam. It is a rural district of Binh Phuoc province in the southeastern region of Vietnam. A major battle, the Battle of Loc Ninh, occurred there during the Vietnam War.-Transport:... on Route 13 National Road 13 (Vietnam) National Route 13 is a highway in southern Vietnam stretching from the northeastern outskirts of Ho Chi Minh City, the commercial centre of the country, towards the border to Cambodia...
May 4 – Jun 29	Operation Quyet Thang 208	ARVN 2nd Division 2nd Division (South Vietnam) The 2nd Division of the Army of the Republic of Vietnam —the army of the nation state of South Vietnam that existed from 1955 to 1975—was part of the I Corps that oversaw the northernmost region of South Vietnam, the centre of Vietnam.... and 71st Assault Helicopter Company operation	Quang Tin, Quang Ngai and Kontum Provinces
Jun 6 – 7	Operation Overlord Battle of Long Khanh The Battle of Long Khanh was fought during the Vietnam War between elements of 1st Australian Task Force and the Viet Cong and North Vietnamese Army during Operation Overlord...	6 – 7 Jun 71	3rd Battalion, Royal Australian Regiment 3rd Battalion, Royal Australian Regiment 3rd Battalion, The Royal Australian Regiment is a parachute infantry battalion of the Australian Army, based in Sydney. 3 RAR was initially formed in 1945 as the 67th Battalion and has seen active service in Japan, Korea, Malaya, South Vietnam, East Timor, the Solomon Islands, Afghanistan and Iraq... pacification operation in Long Khánh Province Long Khánh Province Long Khánh is former province in Dong Nam Bo region of South Vietnam. It was formed on October 22, 1956 by separating from Biên Hòa Province.On April 24, 1957, it had two districts Xuân Lộc and Định Quán.On April 30, 1975, the province was renamed to Xuan Loc....
Jul	Operation Iron Fox	2nd Squadron SAS Australian Special Air Service Regiment The Special Air Service Regiment, officially abbreviated SASR but commonly known as the SAS, is a special forces unit of the Australian Army... , 3rd Battalion, Royal Australian Regiment 3rd Battalion, Royal Australian Regiment 3rd Battalion, The Royal Australian Regiment is a parachute infantry battalion of the Australian Army, based in Sydney. 3 RAR was initially formed in 1945 as the 67th Battalion and has seen active service in Japan, Korea, Malaya, South Vietnam, East Timor, the Solomon Islands, Afghanistan and Iraq... and 4th Battalion, Royal Australian Regiment 4th Battalion, Royal Australian Regiment The 4th Battalion, Royal Australian Regiment, was an Australian Army infantry battalion and part of the Royal Australian Regiment. The battalion was formed on 1 February 1964 and was renamed the 2nd Commando Regiment on 19 June 2009.... /Royal New Zealand Infantry Regiment Royal New Zealand Infantry Regiment The Royal New Zealand Infantry Regiment is the main combat unit in the regular New Zealand Army. It was formed 9 January 1947 as the New Zealand Regiment with a single infantry battalion as part of the newly created infantry corps.... (ANZAC) operation against the VC 274th Regiment VC 274th Regiment The VC 274th Regiment, also known as the 274 Viet Cong Main Force Regiment, was a regiment of the Viet Cong during the Vietnam War. The regiment was part of the VC Division 5 and operated in the Bien Hoa, Đồng Nai, Phước Tuy and Long Khánh provinces.The Regiment consisted of a headquarters and...		12	1
Jul 1 – Aug 31	Operation Keystone Oriole (Bravo)	Redeployment of the 173rd Airborne Brigade from South Vietnam to the United States
Jul 1 – Oct 4	Unnamed	23rd Infantry Division operation	Quang Ngai Province Quang Ngai Province Quảng Ngãi is a province in the South Central Coast region of Vietnam, on the coast of South China Sea. It is located 883 km south of Hanoi and 838 km north of Ho Chi Minh City.-History:...	324
Aug 20 – Dec 3	Operation Chenla II Operation Chenla II Operation Chenla II was a major military operation conducted by the Cambodian military during the Cambodian Civil War. It began on August 20 and lasted until December 3, 1971.-Summary:...	FANK Fánk Fánk is a sweet traditional Hungarian cake. The most commonly used ingredients are: flour, yeast, butter, egg yolk, a little bit of rum, a sniff of salt, milk and oil to deep fry with. After the pastry has risen for approximately 30 minutes the result is an extreme light doughnut-like pastry... operation against NVA NVA NVA is a three-letter acronym for:National People's Army, or Nationale Volksarmee, the army of former German Democratic RepublicNieuw-Vlaamse Alliantie, a Flemish political party also known as New-Flemish Alliance... to reopen Route 6 National Highway 6 (Cambodia) National Highway 6 or National Road No.6 is one of the national highways of Cambodia. At long, it connects the capital of Phnom Penh with Banteay Meanchey....	Route 6 National Highway 6 (Cambodia) National Highway 6 or National Road No.6 is one of the national highways of Cambodia. At long, it connects the capital of Phnom Penh with Banteay Meanchey....	3500+ claimed	4500+ claimed
Sep 1 – Nov 30	Operation Keystone Oriole (Charlie)	Redeployment of the 23rd Infantry Division, 11th Infantry Brigade 11th Infantry Brigade (United States) The 11th Infantry Brigade was an infantry brigade of the United States Army. It was first formed as part of the United States Army's 6th Division during World War I, however it is best known for its service as a separate Brigade in the Vietnam War... and 198th Infantry Brigade from South Vietnam to the United States
Sep 6 – 25	Operation Lam Son 810	ARVN operation with US support to disrupt the flow of NVA supplies	northern Quang Tri Province Quang Tri Province Quảng Trị is a province on the North Central Coast of Vietnam, north of the former imperial capital of Huế.-Geography:Located in North Central Vietnam, Quang Tri Province is surrounded by Quang Binh Province on the north, Thua Thien-Hue Province on the south, Savannakhet Province of Laos on the...	175	75
Sep 18 – Oct 2	Operation Ivanhoe	4th Battalion, Royal Australian Regiment 4th Battalion, Royal Australian Regiment The 4th Battalion, Royal Australian Regiment, was an Australian Army infantry battalion and part of the Royal Australian Regiment. The battalion was formed on 1 February 1964 and was renamed the 2nd Commando Regiment on 19 June 2009.... /Royal New Zealand Infantry Regiment Royal New Zealand Infantry Regiment The Royal New Zealand Infantry Regiment is the main combat unit in the regular New Zealand Army. It was formed 9 January 1947 as the New Zealand Regiment with a single infantry battalion as part of the newly created infantry corps.... (ANZAC) security operation in northern Phuoc 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....		5
Sep 28 – Oct 2	Operation Katum	3/1 Cavalry and 2nd Squadron, 11th Armored Cavalry Regiment security operation for the withdrawal of US personnel	FSB Katum, Tay Ninh Province
Dec 1 – Jan 31 72	Operation Keystone Mallard	101st Airborne Division 101st Airborne Division The 101st Airborne Division—the "Screaming Eagles"—is a U.S. Army modular light infantry division trained for air assault operations. During World War II, it was renowned for its role in Operation Overlord, the D-Day landings on 6 June 1944, in Normandy, France, Operation Market Garden, the... redeployment from South Vietnam to the United States

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