HMS Whirlwind, built by Swan Hunter, launched 15/12/1917. On 5 July 1940 HMS Whirlwind was torpedoed and sunk by the German submarine U-34 120 miles west of Lands End, south west England in position 50.17N, 08.48W. The U-boat reported that one torpedo hit underneath the bridge that broke off the forepart that sank immediately while the rest of the ship stayed afloat for some time.