HMS Diamond (H22)
Encyclopedia
HMS Diamond was a D-class
C and D class destroyer
The C and D class was a group of 14 destroyers built for the Royal Navy in the early 1930s. As in previous years, it was originally intended to order a complete flotilla comprising eight destroyers—plus a flotilla leader as the ninth unit—in each year. However, only four ships—plus a leader—were...

 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...

 built for the 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...

 in the early 1930s. The ship spent the bulk of her career on the China Station
China Station
The China Station was a historical formation of the British Royal Navy. It was formally the units and establishments responsible to the Commander-in-Chief, China....

. She was briefly assigned to the Mediterranean Fleet
Mediterranean Fleet
Several countries have or have had a Mediterranean Fleet in their navy. See:* Mediterranean Fleet * French Mediterranean Fleet* Mediterranean Squadron * United States Sixth Fleet...

 in 1939 before she was transferred to West Africa
West Africa
West Africa or Western Africa is the westernmost region of the African continent. Geopolitically, the UN definition of Western Africa includes the following 16 countries and an area of approximately 5 million square km:-Flags of West Africa:...

 for convoy escort duties. Diamond returned to the Mediterranean Fleet in early 1940 where she generally escorted convoys to and from Malta
Malta
Malta , officially known as the Republic of Malta , is a Southern European country consisting of an archipelago situated in the centre of the Mediterranean, south of Sicily, east of Tunisia and north of Libya, with Gibraltar to the west and Alexandria to the east.Malta covers just over in...

. The ship participated in the Battle of Cape Spartivento
Battle of Cape Spartivento
The Battle of Cape Spartivento, known as the Battle of Cape Teulada in Italy, was a naval battle during the Battle of the Mediterranean in the Second World War...

 in November. Diamond was sunk by German aircraft on 27 April 1941 whilst evacuating
Battle of Greece
The Battle of Greece is the common name for the invasion and conquest of Greece by Nazi Germany in April 1941. Greece was supported by British Commonwealth forces, while the Germans' Axis allies Italy and Bulgaria played secondary roles...

 Allied
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...

 troops from Greece
Greece
Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

.

Description

Diamond displaced 1375 long tons (1,397.1 t) at standard
Displacement (ship)
A ship's displacement is its weight at any given time, generally expressed in metric tons or long tons. The term is often used to mean the ship's weight when it is loaded to its maximum capacity. A number of synonymous terms exist for this maximum weight, such as loaded displacement, full load...

 load and 1890 long tons (1,920.3 t) at deep load. The ship had an overall length of 329 feet (100.3 m), a beam
Beam (nautical)
The beam of a ship is its width at the widest point. Generally speaking, the wider the beam of a ship , the more initial stability it has, at expense of reserve stability in the event of a capsize, where more energy is required to right the vessel from its inverted position...

 of 33 feet (10.1 m) and a draught
Draft (hull)
The draft of a ship's hull is the vertical distance between the waterline and the bottom of the hull , with the thickness of the hull included; in the case of not being included the draft outline would be obtained...

 of 12 in 6 in (3.81 m). She was powered by Parsons
Parsons Marine Steam Turbine Company
Parsons Marine Steam Turbine Company was a British engineering company based in Wallsend, North England, on the River Tyne.-History:The company was founded by Charles Algernon Parsons in 1897 with £500,000 of capital, and specialised in building the steam turbine engines that he had invented for...

 geared steam turbine
Steam turbine
A steam turbine is a mechanical device that extracts thermal energy from pressurized steam, and converts it into rotary motion. Its modern manifestation was invented by Sir Charles Parsons in 1884....

s, driving two shafts, which developed a total of 36000 shp and gave a maximum speed of 36 knots (19.6 m/s). Steam for the turbines was provided by three Admiralty 3-drum water-tube boiler
Water-tube boiler
A water tube boiler is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which heats water in the steam-generating tubes...

s. Diamond carried a maximum of 473 long tons (480.6 t) of fuel oil
Fuel oil
Fuel oil is a fraction obtained from petroleum distillation, either as a distillate or a residue. Broadly speaking, fuel oil is any liquid petroleum product that is burned in a furnace or boiler for the generation of heat or used in an engine for the generation of power, except oils having a flash...

 that gave her a range of 5870 nautical miles (10,871.2 km) at 15 knots (8.2 m/s). The ship's complement was 145 officers and men.

The ship mounted four 45-calibre
Caliber (artillery)
In artillery, caliber or calibredifference in British English and American English spelling is the internal diameter of a gun barrel, or by extension a relative measure of the length....

 4.7-inch Mark IX guns
4.7 inch QF Mark XII
The 4.7 inch QF Mark IX and Mark XII were 120-mm 45-calibre naval guns which armed the majority of Royal Navy and Commonwealth destroyers in World War II, and were exported to many countries after World War II as the destroyers they were mounted on were sold off.-Description and history:These guns...

 in single mounts. For anti-aircraft
Anti-aircraft warfare
NATO defines air defence as "all measures designed to nullify or reduce the effectiveness of hostile air action." They include ground and air based weapon systems, associated sensor systems, command and control arrangements and passive measures. It may be to protect naval, ground and air forces...

 (AA) defence, Diamond had a single 12-pounder (3-inch (76.2 mm)) gun between her funnel
Funnel (ship)
A funnel is the smokestack or chimney on a ship used to expel boiler steam and smoke or engine exhaust. They can also be known in as stacks.-Purpose:...

s and two 40 millimetres (1.6 in) QF 2-pounder Mark II
QF 2 pounder naval gun
The 2-pounder gun, officially designated the QF 2-pounder and universally known as the pom-pom, was a 1.575 inch British autocannon, used famously as an anti-aircraft gun by the Royal Navy. The name came from the sound that the original models make when firing...

 guns mounted on the side of her bridge. She was fitted with two above-water quadruple torpedo tube
Torpedo tube
A torpedo tube is a device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units installed aboard surface vessels...

 mounts for 21-inch torpedoe
British 21 inch torpedo
There have been several British 21-inch diameter torpedoes used by the Royal Navy since their first development just before the First World War.They were the largest size of torpedo in common use in the RN...

s. One depth charge
Depth charge
A depth charge is an anti-submarine warfare weapon intended to destroy or cripple a target submarine by the shock of exploding near it. Most use explosives and a fuze set to go off at a preselected depth in the ocean. Depth charges can be dropped by either surface ships, patrol aircraft, or from...

 rail and two throwers were fitted; 20 depth charges were originally carried, but this increased to 35 shortly after the war began.

Career

Diamond was ordered on 2 February 1931 under the 1930 Naval Estimates, and was laid down at Vickers-Armstrong's yard at Barrow-in-Furness
Barrow-in-Furness
Barrow-in-Furness is an industrial town and seaport which forms about half the territory of the wider Borough of Barrow-in-Furness in the county of Cumbria, England. It lies north of Liverpool, northwest of Manchester and southwest from the county town of Carlisle...

 on 29 September 1931. She was launched on 8 April 1932 and completed on 3 November 1933, at a total cost of £223,509, excluding equipment supplied by the Admiralty
Admiralty
The Admiralty was formerly the authority in the Kingdom of England, and later in the United Kingdom, responsible for the command of the Royal Navy...

, such as weapons, ammunition and wireless equipment. The ship was initially assigned to the 1st Destroyer Flotilla in the Mediterranean and made a brief deployment to the Persian Gulf
Persian Gulf
The Persian Gulf, in Southwest Asia, is an extension of the Indian Ocean located between Iran and the Arabian Peninsula.The Persian Gulf was the focus of the 1980–1988 Iran-Iraq War, in which each side attacked the other's oil tankers...

 and Red Sea
Red Sea
The Red Sea is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. In the north, there is the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez...

 in September–November 1933. Diamond was refitted at Devonport Dockyard
HMNB Devonport
Her Majesty's Naval Base Devonport , is one of three operating bases in the United Kingdom for the Royal Navy . HMNB Devonport is located in Devonport, in the west of the city of Plymouth in Devon, England...

 between 3 September and 27 October 1934 for service on the China Station with the 8th (later the 21st) Destroyer Flotilla
Flotilla
A flotilla , or naval flotilla, is a formation of small warships that may be part of a larger fleet. A flotilla is usually composed of a homogeneous group of the same class of warship, such as frigates, destroyers, torpedo boats, submarines, gunboats, or minesweepers...

 and arrived there in January 1935, where she remained for the next four years.

The ship began a refit at Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

 on 7 August 1939 and she was transferred to the Mediterranean Fleet after it was completed in November. Diamond arrived at Malta on 19 December, but she was transferred to the South Atlantic Station
South Atlantic Station
The South Atlantic Station was one of the geographical divisions into which the British Royal Navy divided its worldwide responsibilities. It was formed from the former Cape of Good Hope Station.-History:...

 the following month. She departed Malta on 8 January 1940, bound for Freetown
Freetown
Freetown is the capital and largest city of Sierra Leone, a country in West Africa. It is a major port city on the Atlantic Ocean located in the Western Area of the country, and had a city proper population of 772,873 at the 2004 census. The city is the economic, financial, and cultural center of...

 where she joined the 20th Destroyer Division for escort duties. In April the ship returned to the Mediterranean where Diamond was assigned to the newly formed 10th Destroyer Flotilla after a short refit at Malta.

She was slightly damaged by air attacks on 11 and 17 June near Malta after the Italians declared war on the Allies on 10 June. Together with her sisters
Sister ship
A sister ship is a ship of the same class as, or of virtually identical design to, another ship. Such vessels share a near-identical hull and superstructure layout, similar displacement, and roughly comparable features and equipment...

 , , the Australian destroyer , and the 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...

s and , she escorted Convoy AN.2 from 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...

 to various ports in the Aegean Sea
Aegean Sea
The Aegean Sea[p] is an elongated embayment of the Mediterranean Sea located between the southern Balkan and Anatolian peninsulas, i.e., between the mainlands of Greece and Turkey. In the north, it is connected to the Marmara Sea and Black Sea by the Dardanelles and Bosporus...

 in late July. Diamond bombarded the Italian seaplane
Seaplane
A seaplane is a fixed-wing aircraft capable of taking off and landing on water. Seaplanes that can also take off and land on airfields are a subclass called amphibian aircraft...

 base at Bomba, Libya
Bomba, Libya
Bomba is a village in eastern Libya on the Gulf of Bomba. It is located south of Derna.Greek historian Herodotus said that Cyrene was founded in mid-7th century BC, when a group of Greek immigrants from Thera landed at the Gulf of Bomba, and stayed there for years, then, they moved to place of...

 on 23 August. A week later she escorted four transports to Malta with Dainty and the destroyers and as part of Operation Hats. The ship escorted Convoy MB.8 during Operation Collar. After reaching Malta on 26 November, Diamond joined Force D and sailed to rendezvous with Force H
Force H
Force H was a British naval formation during the Second World War. It was formed in 1940 to replace French naval power in the western Mediterranean that had been removed by the French armistice with Nazi Germany....

, coming from Gibraltar
Gibraltar
Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...

. The next day, after the British forces had combined, they were spotted by the Italians and the inconclusive Battle of Cape Spartivento was fought.

During Operation Excess
Operation Excess
Operation Excess was a series of supply convoys to Malta, Alexandria and Greece in January 1941.On 6 January, convoy Excess left Gibraltar for Malta and Greece, covered by the Gibraltar based Force H. Simultaneously, the Mediterranean Fleet from Alexandria covered more supply ships from...

, Diamond and Defender escorted Convoy MW.5 to Malta in January 1941. The ship escorted a convoy of four freighters from Malta to Alexandria in mid-April. Shortly afterwards, she began evacuating Allied troops from Greece. On 27 April 1941, Diamond and another destroyer, , rescued over 500 troops from the sinking Dutch troopship
Troopship
A troopship is a ship used to carry soldiers, either in peacetime or wartime...

, Slamat, and set out for Crete
Crete
Crete is the largest and most populous of the Greek islands, the fifth largest island in the Mediterranean Sea, and one of the thirteen administrative regions of Greece. It forms a significant part of the economy and cultural heritage of Greece while retaining its own local cultural traits...

. However, both ships were attacked and sunk about four hours later by German Messerschmitt Bf 109
Messerschmitt Bf 109
The Messerschmitt Bf 109, often called Me 109, was a German World War II fighter aircraft designed by Willy Messerschmitt and Robert Lusser during the early to mid 1930s...

 fighters and Junkers Ju 88
Junkers Ju 88
The Junkers Ju 88 was a World War II German Luftwaffe twin-engine, multi-role aircraft. Designed by Hugo Junkers' company through the services of two American aviation engineers in the mid-1930s, it suffered from a number of technical problems during the later stages of its development and early...

 bomber
Bomber
A bomber is a military aircraft designed to attack ground and sea targets, by dropping bombs on them, or – in recent years – by launching cruise missiles at them.-Classifications of bombers:...

s. Only one officer, 41 enlisted men and eight soldiers from all three ships were rescued.

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