HMS Trident
British T-class submarine
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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. Wikipedia
Launched: December 7, 1938
Builder: Cammell Laird
Displacement: 1,090 tons surfaced; 1,575 tons submerged
Test depth: 300 ft (91 m) max