Operation Pedestal, known in Malta as Il-Konvoj ta' Santa Marija, was a British operation to carry supplies to the island of Malta in August 1942, during the Second World War. Malta was a base from which British ships, submarines and aircraft attacked Axis convoys to Libya, during the North African Campaign (1940–1943). From 1940 to 1942, the Axis conducted the Siege of Malta, with air and naval forces. Despite many losses, enough supplies were delivered by the British for the population and military forces on Malta to resist, although it ceased to be an offensive base for much of 1942. The most crucial supply item in Operation Pedestal was fuel, carried by SS Ohio, an American tanker with a British crew. The convoy sailed from Britain on 3 August 1942 and passed through the Strait of Gibraltar into the Mediterranean on the night of 9/10 August.
HMS Triumph (N18) was a T-class submarine of the Royal Navy. She was laid down by Vickers at Barrow-in-Furness and launched in 1938.
Lieutenant Commander Malcolm David Wanklyn, was a Royal Navy commander and one of the most successful submariners in the Western Allied navies during the Second World War. Wanklyn and his crew sank 16 enemy vessels.
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.
HMS Safari was a third batch S-class submarine built for the Royal Navy during World War II. Commissioned in 1942, she was assigned to operate in the Mediterranean Sea. During the course of the war, Safari sank twenty-five ships, most of which were Italian.
HMS Trident was a British T class submarine built by Cammell Laird, Birkenhead. She was laid down on 12 January 1937 and was commissioned on 1 October 1939. HMS Trident was part of the first group of T class submarines.
HMS Sickle was a third-batch S-class submarine built for the Royal Navy during World War II. Completed in 1942, she made her initial war patrol off the Norwegian coast. Sickle then sailed to Gibraltar, from where she conducted one patrol, then to Algiers, French North Africa. From 10 May to 10 October, the boat patrolled the Gulf of Genoa five times and sank a German submarine as well as three minesweepers and an escort ship. She then moved to Beirut, French Lebanon, and conducted two patrols in the Aegean Sea, sinking three caïques and a merchant ship, in addition to landing resistance operatives in Greece.
HMS Clyde was a submarine of the River class. She was built by Vickers Armstrong, Barrow and launched on 15 March 1934. Building was completed on 12 April 1935. Initially planeed to be part of a class 20 strong, Clyde would be the third and final of the boats to be completed and launched.
HMS Rorqual (N74) was a British mine-laying submarine, one of the six ships of the Grampus class of the Royal Navy. She was built by Vickers Armstrong, Barrow and launched 27 July 1936. She served in the Second World War in the Mediterranean and in the far east. She was the only Grampus-class submarine to survive the war, and she is considered the most successful minelaying submarine of World War II, sinking 57,704 GRT of enemy shipping, 35,951 of which through her mines.
HMS Trooper (N91) was a T-class submarine of the Royal Navy. She was laid down by Scotts, Greenock and launched in March 1942.
HMS Una was a British U-class submarine, of the second group of that class, built at Chatham Dockyard. She was laid down on 7 May 1940 and was commissioned on 27 September 1941.
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.
HMS Utmost 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 2 November 1939 and was commissioned on 17 August 1940. So far she has been the only ship of the Royal Navy to bear the name Utmost.
HMS Ultor (P53) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness, launched in 1942, and part of the third group of the class. So far she has been the only ship of the Royal Navy to bear the name Ultor.
HMS Unison (P43) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness, and part of the third group of that class. She is the only craft of the Royal Navy to have borne the name Unison. Prior to receiving the name, she carried the pennant number P43 and was unofficially known as Ulysses. She was renamed Unison in 1943.
HMS Unruffled was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. So far she has been the only ship of the Royal Navy to bear the name Unruffled.
HMS Uproar (P31) was a Royal Navy U-class submarine built by Vickers-Armstrong at Barrow-in-Furness. So far she has been the only ship of the Royal Navy to bear the name Uproar. She was originally named P 31, renamed Ulleswater in February 1943 and finally renamed Uproar in April 1943.
HMS P47 was a Royal Navy U-class submarine built by Vickers-Armstrong. She was transferred to the Royal Netherlands Navy before completion and renamed HNLMS Dolfijn.
HMS Lively was an L-class destroyer of the Royal Navy. She served during the Second World War, and was sunk in the Mediterranean in an air attack on 11 May 1942.
HMS Regent was a Rainbow-class submarine designed and built by Vickers Shipbuilding and Engineering in Barrow-in-Furness for the Royal Navy, and was launched on 11 June 1930. She was lost with all hands after striking a mine on 18 April 1943.
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