HMS Umbra (P35) was a Royal Navy U-class submarine built by Vickers-Armstrongs at Barrow-in-Furness. So far she has been the only ship of the Royal Navy to bear the name Umbra.
HMS Tradewind was a British submarine of the third group of the T class. She was built as P329 at Chatham, and launched on 11 December 1942. As of 2021 she is the only ship of the Royal Navy to have been named Tradewind, after the trade winds.
HMS Trenchant (P331) was a British T class submarine of the Second World War built at Chatham Dockyard.
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 Stratagem was a third-batch S-class submarine built for the Royal Navy during World War II. Completed in 1943, she made her first war patrol off Norway before she was sent to the Far East, where she conducted three war patrols. On her second, she shelled installations on a Japanese-held island. Her only success came on her last patrol, when she torpedoed and sank a Japanese oil tanker. Soon after, she was spotted by aircraft and depth charged by a destroyer. She was forced to surface, and was scuttled to prevent her capture. Ten crew members escaped the sinking submarine and were taken prisoner, of whom only three survived the war.
HMS Seadog was a third-batch S-class submarine built for the Royal Navy during World War II. Completed in September 1942, she spent most of her career in Arctic waters, off Norway, but sank only one German ship in 13 patrols. In January 1945, she was redeployed to the Far East, meeting more success. On her first patrol in the area, the submarine rescued four American airmen. After two patrols, she and her sister ship HMS Shalimar sank five sailing vessels, two coasters, a barge, a tugboat and a Japanese tank landing ship. After the war ended, Seadog was sent back to England, placed in reserve, then sold for scrap in December 1947. She was ultimately broken up in August 1948.
HMS Solent was a S-class submarine built by Cammell Laird and launched on 8 June 1944 of the third batch built for the Royal Navy during World War II. She spent most of her career in the Pacific Far East, often in company with her sister ship, HMS Sleuth. Together they sank fifteen Japanese sailing vessels and the Japanese auxiliary minesweeper Wa 3. She survived the war and was sold for scrap in 1961.
HMS Sleuth was a S-class submarine of the third batch built for the Royal Navy during World War II. She survived the war and was sold for scrap in 1958.
HMS Truant (N68) was a T-class submarine of the Royal Navy. She was laid down by Vickers Armstrong, Barrow and launched on 5 May 1939.
HMS Thule was a British submarine of the third group of the T class. She was built as P325 at Devonport Dockyard, and launched on 22 October 1942. So far she has been the only ship of the Royal Navy to bear the name Thule, after Thule, the mythological name for a northern island.
The second HMS Telemachus was a British submarine of the third group of the T class. She was built as P321 by Vickers Armstrong, Barrow, and launched on 19 June 1943. She served in Far Eastern waters for most of her wartime career, and was responsible for the sinking of the Japanese submarine I-166. Following the war she was deployed to Australia to operate with the Royal Australian Navy until 1959. She was scrapped in 1961.
HMS Trespasser was a British submarine of the third group of the T class. She was built as P312 by Vickers Armstrong, Barrow, and launched on 29 May 1942. So far she has been the only ship of the Royal Navy to bear the name Trespasser.
HMS Tally-Ho was a British submarine of the third group of the T class. She was built as P317 by Vickers Armstrong, Barrow and launched on 23 December 1942. She has been the only ship of the Royal Navy to bear the name, that of the hunting call, "Tally-Ho!".
HMS Terrapin was a British submarine of the third group of the T class. She was built as P323 by Vickers Armstrong, Barrow and launched on 31 August 1943. So far she has been the only ship of the Royal Navy to bear the name Terrapin, after the animal of that name. Apart from a brief period in home waters off the Scandinavian coast, Terrapin served in the Far East for much of her wartime career.
HMS Tactician was a British submarine of the third group of the T class. She was built as P314 by Vickers-Armstrongs, Barrow, and launched on 29 July 1942.
HNLMS Zwaardvisch (S814) was the lead ship of the Royal Netherlands Navy's Zwaardvisch-class submarine, which was based on the British T class. The submarine was originally ordered as HMS Talent (P322) and built by Vickers Armstrong, Barrow. It served mainly in the Pacific against the Japanese during the war, operating under both British and US operational command in Ceylon and Australia. In 1950, the vessel was renamed HNLMS Zwaardvis. She was sold and broken up for scrap in 1963.
HMS United (P44) 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 United.
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 Unsparing (P55) was a Royal Navy U-class submarine built by Vickers-Armstrong. So far she has been the only ship of the Royal Navy to bear the name Unsparing.
HMS Usurper (P56) 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 Usurper.
United Kingdom
