British Ships On Convoy Duty In The North Atlantic [Getty Images]

British Ships On Convoy Duty In The North Atlantic, 14 February To 13 March 1943, Sailors using steam hoses to clear ice from anchor chains and winches on board HMS SCYLLA during a cold spell on patrol in the Atlantic, February 1943. (Photo by Lt. J A Hampton/ Imperial War Museums via Getty Images)

Imperial War Museums IWM/Getty Images