In March 1943 he commissioned the Type VIIC U-boat, and was attached to "13th U-boat Flotilla", based at Trondheim, Norway, for operations against convoys in the Arctic Sea.
He commissioned the Type VIIC U-boat for operations against convoys in the Arctic Sea. This was in March 1943. The Type VIIC U-boat was based at Trondheim, Norway. He was attached to "13th U-boat Flotilla". This was based at Trondheim, Norway, for operations against convoys in the Arctic Sea. This was in March 1943.