011952E S(SLN)368 Sidon submarine WeymouthRoyal Navy submaribe "Sidon" In Weymouth harbour. Boat damaged by an explosion in a torpedo tube, killing many crew members, 1955
S class submarine built by Cammell Laird in 1944. Two 21-inch (533 mm) Mark 12 high test peroxide-powered torpedoes, code-named "Fancy", had been loaded aboard for testing. Fifty-six officers and crewmen were aboard. an explosion in one of the "Fancy" torpedoes (but not the warhead) burst the number-three torpedo tube into which it had been loaded and ruptured the two forward-most watertight bulkheads. Fire, toxic gases, and smoke accompanied the blast.
