HMS Cachalot (N83)
HMS Cachalot was one of the six-ship class of Grampus-class mine-laying submarine of the Royal Navy. She was built at Scotts, Greenock and launched 2 December 1937. She served in World War II in home waters and the Mediterranean. She was rammed and sunk by the Italian torpedo boat Generale Achille Papa on 30 July 1941.
Career
In August 1940, Cachalot torpedoed and sank the German submarine U-51 in the Bay of Biscay and in September the German auxiliary minesweeper M 1604 / Österreich hit a mine laid by Cachalot and sank.She was assigned to operate in the Mediterranean in 1941.