HMS Thermopylae (P355)
|Laid down:||26 October 1943|
|Launched:||27 June 1945|
|Commissioned:||5 December 1945|
|Fate:||Scrapped, August 1970|
|Class and type:||T class submarine|
|Length:||276 ft 6 in (84.28 m)|
|Beam:||25 ft 6 in (7.77 m)|
|Range:||4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced|
|Test depth:||300 ft (91 m) max|
HMS Thermopylae (P355) was a T-class submarine of the United Kingdom's Royal Navy laid down on 26 October 1943 at Chatham Dockyard, and launched on 27 June 1945. So far she has been the only ship of the Royal Navy to bear the name Thermopylae, after the Battle of Thermopylae.
Commissioned after the end of the Second World War, she had a relatively quiet career. She immediately joined the 3rd Flotilla based in the Holy Loch. On 15 January 1950 she ran aground on Stevenson Rock, off Skerryvore, Inner Hebrides. In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II.
- "Submarine Captain Charged". The Times (51659). London. 6 April 1950. col F, p. 4.
- Souvenir Programme, Coronation Review of the Fleet, Spithead, 15th June 1953, HMSO, Gale and Polden
- HMS Thermopylae, Uboat.net
- Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8. OCLC 67375475.
- Hutchinson, Robert (2001). Jane's Submarines: War Beneath the Waves from 1776 to the Present Day. London: HarperCollins. ISBN 978-0-00-710558-8. OCLC 53783010.