Commissioned on 1 May 1943, U-1059 was one of four Type VIIF torpedo transport submarines, which could carry 40 torpedoes,[1] and were used to re-supply other U-boats at sea. U-1059 first served with 5th U-boat Flotilla for training, and later served with 12th U-boat Flotilla from 1 January 1944 to 19 March 1944. U-1059 completed one torpedo transport patrol.