11 ships departed Haifa, Palestine and Port Said, Egypt in Operation Vigorous escorted by battleship HMS Centurion (unarmed, serving as a deterrent only), 8 cruisers, 26 destroyers, and 9 submarines, also sailing for Malta; the Vigorous convoy was attacked by German Ju 88 bombers south of Crete, Greece, damaging freighter City Of Calcutta, forcing her to sail for Tobruk, Libya for repairs.