HMS Triumph (N18)
| HMS Triumph | |
| History | |
|---|---|
| United Kingdom | |
| Name | Triumph | 
| Builder | Vickers Armstrong, Barrow | 
| Laid down | 19 March 1937 | 
| Launched | 16 February 1938 | 
| Commissioned | 2 May 1939 | 
| Identification | Pennant number N18 | 
| Fate | Sank December 1941–January 1942 | 
| Badge | |
| General characteristics | |
| Class & type | British T class submarine | 
| Displacement | 
 | 
| Length | 275 ft (84 m) | 
| Beam | 26 ft 6 in (8.08 m) | 
| Draught | 16.3 ft (5.0 m) | 
| Propulsion | 
 | 
| Speed | 
 | 
| Range | 4,500 nautical miles at 11 knots (8,330 km at 20 km/h) surfaced | 
| Test depth | 300 ft (91 m) max | 
| Complement | 64 | 
| Armament | 
 | 
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. The boat was lost in transit in 1942, with a crew of 64, and its fate was unknown until the sunken boat was rediscovered in June 2023.