HMS Thermopylae (P355)

HMS Thermopylae
History
United Kingdom
Name	Thermopylae
Builder	Chatham Dockyard
Laid down	26 October 1943
Launched	27 June 1945
Commissioned	5 December 1945
Fate	Scrapped, August 1970
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General characteristics
Class and type	T class submarine
Displacement	1,290 tons surfaced 1,560 tons submerged
Length	276 ft 6 in (84.28 m)
Beam	25 ft 6 in (7.77 m)
Draught	12 ft 9 in (3.89 m) forward 14 ft 7 in (4.44 m) aft
Propulsion	Two shafts Twin diesel engines 2,500 hp (1.86 MW) each Twin electric motors 1,450 hp (1.08 MW) each
Speed	15.5 knots (28.7 km/h) surfaced 9 knots (20 km/h) submerged
Range	4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced
Test depth	300 ft (91 m) max
Complement	61
Armament	6 internal forward-facing 21 inch (533 mm) torpedo tubes 2 external forward-facing torpedo tubes 2 external amidships rear-facing torpedo tubes 1 external rear-facing torpedo tubes 6 reload torpedoes QF 4 inch (100 mm) deck gun 3 anti aircraft machine guns

HMS Thermopylae (P355) was a T-class submarine in service with the United Kingdom's Royal Navy. So far she has been the only ship of the Royal Navy to bear the name Thermopylae, after the Battle of Thermopylae.