HMS Jervis, was a J-class destroyer of the Royal Navy named after Admiral John Jervis (1735–1823). She was laid down by R. and W. Hawthorn, Leslie and Company, Limited, at Hebburn-on-Tyne on 26 August 1937. The ship was launched on 9 September 1938 and commissioned on 8 May 1939, four months before the start of the Second World War.
HMS Achates was an A-class destroyer built for the Royal Navy during the late 1920s. Completed in 1930, she initially served with the Mediterranean Fleet. She was sunk on 31 December 1942 during the Battle of the Barents Sea.
HMS Upholder (P37) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. She was laid down on 30 October 1939, launched on 8 July 1940 by Mrs. Doris Thompson, wife of a director of the builders. The submarine was commissioned on 31 October 1940. She was one of four U-class submarines which had two external torpedo tubes at the bows in addition to the 4 internal ones fitted to all boats. They were excluded from the others because they interfered with depth-keeping at periscope depth.
The Battle of the Mediterranean was the name given to the naval campaign fought in the Mediterranean Sea during World War II, from 10 June 1940 to 2 May 1945.
The First Battle of Sirte was fought between the British Royal Navy and the Regia Marina during the Mediterranean campaign of the Second World War. The engagement took place on 17 December 1941, south-east of Malta, in the Gulf of Sirte.
ORP Sokół was a U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. Shortly after launching in September 1940 she was to be commissioned by the Royal Navy as HMS Urchin, but instead was leased to the Polish Navy due to a lack of experienced submarine crews. A sister boat to Dzik, both boats operated in the Mediterranean from Malta, where they became known as the "Terrible Twins".
HMS Legion was an L-class destroyer of the Royal Navy. She entered service during the Second World War, and had a short but eventful career, serving in Home waters and the Mediterranean. She was sunk in an air attack on Malta in 1942. The ship had been adopted by the British civil community of the Municipal Borough of Cheltenham, Gloucestershire in November 1941.
The Royal Navy Submarine Service is one of the five fighting arms of the Royal Navy. It is sometimes known as the Silent Service, as submarines are generally required to operate undetected.
Operation Halberd was a British naval operation that took place on 27 September 1941, during the Second World War. The British were attempting to deliver a convoy from Gibraltar to Malta. The convoy was escorted by several battleships and an aircraft carrier, to deter interference from the Italian surface fleet, while a close escort of cruisers and destroyers provided an anti-aircraft screen.
The Battle of the Duisburg Convoy, also known as the Battle of the BETA Convoy, was fought on the night of 8/9 November 1941 between an Italian convoy, its escorts and four British ships. The convoy was named "BETA" by the Italian naval authorities and carried supplies for the Italian Army, civilian colonists and the Afrika Korps in Italian Libya.
The Mediterranean U-boat Campaign lasted from about 21 September 1941 to 19 September 1944 during the Second World War. Malta was an active British base strategically located near supply routes from Europe to North Africa. Axis supply convoys across the Mediterranean Sea suffered severe losses, which in turn threatened the fighting ability of the Axis armies in North Africa. The Allies were able to keep their North African armies supplied. The Kriegsmarine tried to isolate Malta but later it concentrated its U-boat operations on disrupting Allied landing operations in southern Europe.
HMS Parthian was the lead boat of the six Royal Navy Parthian-class submarines, all launched in 1929. The submarine was sunk in 1943 during the Second World War. The submarine was nicknamed Peanut, from the identity letters PN painted on the fin.
HMS Urge was a British U-class submarine, of the second group of that class, built by Vickers Armstrong, Barrow-in-Furness. She was laid down on 30 October 1939, and was commissioned on 12 December 1940. From 1941–1942 she formed part of the 10th Submarine Flotilla based in Malta and spent most of her career operating in the Mediterranean, where she damaged and sank enemy warships and merchant vessels and undertook both SBS and SIS special operations. She was commanded by Lieutenant-Commander Edward Philip Tomkinson, DSO, RN. She was lost with all hands and a number of naval passengers on 27 April 1942 after striking a German mine off Malta.
Vice-Admiral Sir Arthur Richard Hezlet, nicknamed Baldy Hezlet, was a decorated Royal Navy submariner. He became the Royal Navy's youngest captain at the time – aged 36 – and its youngest admiral, aged 45. In retirement he became a military historian.
HMS Quail was a Q-class destroyer of the Royal Navy. She served during the Second World War but her career lasted less than a year before she was damaged by a mine and withdrawn from active service.
HMS Westcott (D47) was a Royal Navy Admiralty W-class destroyer that served in the Second World War. In the Second World War Westcott served in an anti-submarine role and escorted numerous Atlantic and Malta convoys.
HMS Wishart (D67) was a Modified W-class destroyer of the British Royal Navy that saw service in World War II. She spent most of her wartime career based at Gibraltar, engaged in convoy defence, but also served in various naval and military operations in the Mediterranean Sea.
HMS Osiris was an O-class submarine of the Royal Navy. She was laid down by Vickers-Armstrongs of Barrow-in-Furness on 12 May 1927, launched on 19 May 1928 and commissioned on 25 Jan 1929.
HMS Pakenham (G06) was a P-class destroyer of the British Royal Navy built and operated during World War II. Commissioned in early 1942, she took part in the invasion of Madagascar, and several Malta Convoys, before being disabled in a battle with Italian torpedo boats in April 1943 and scuttled.
Captain Michael Lindsay Coulton "Tubby" Crawford DSC & Bar was an officer in the Royal Navy and submariner.
United Kingdom 
Royal Navy 