Ship Record

HMS Trenchant (S91)

Learn about HMS Trenchant.

HMS Trenchant is a nuclear-powered attack submarine.

Quick Facts

Ship Name: HMS Trenchant
Type: Submarine
Class: Trafalgar-class submarine
Pennant Number: S91
Launched: 1986
Built at: Vickers-Armstrong
Commissioned: 1989
Armament: Torpedoes and missiles
Propulsion: Nuclear propulsion
Role: Attack submarine
Notable for: Modern deployments
Fate: Active
Status: In service