|Ordered||26 Oct 1939|
|Laid down||11 May 1940||Flensburger Schiffsbau-Ges, Flensburg (werk 475)|
|Launched||17 Sep 1941|
|Commissioned||20 Dec 1941||Oblt. Georg Wallas|
|Successes||3 ships sunk, total tonnage 13,649 GRT|
1 ship damaged, total tonnage 7,051 GRT
Sunk 27 Dec, 1942 in the North Atlantic north of the Azores, in position 43.30N, 25.40W, by depth charges from the Canadian destroyer HMCS St. Laurent and the Canadian corvettes HMCS Chilliwack, HMCS Battleford and HMCS Napanee. 46 dead (all hands lost).
U-356 operated with the following Wolfpacks during its career:
Pfeil (12 Sep 1942 - 22 Sep 1942)
Blitz (22 Sep 1942 - 26 Sep 1942)
Tiger (26 Sep 1942 - 30 Sep 1942)
Wotan (5 Oct 1942 - 19 Oct 1942)
Raufbold (11 Dec 1942 - 22 Dec 1942)
Spitz (22 Dec 1942 - 27 Dec 1942)
Men lost from U-boats
Unlike many other U-boats, which during their service lost men due to accidents and various other causes, U-356 did not suffer any casualties (we know of) until the time of her loss.