German submarine U-336 [SEP] manufacturer
German submarine U-336
German submarine "U-336" was a Type VIIC U-boat of Nazi Germany's "Kriegsmarine" during World War II. The submarine was laid down on 28 March 1941 at the Nordseewerke yard at Emden as yard number 208, launched on 4 December and commissioned on 14 February 1942 under the command of "Kapitänleutnant" Hans Hunger.
Design.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-336" had a displacement of when at the surface and while submerged.
German submarine U-521
German submarine "U-521" was a Type IXC U-boat of Nazi Germany's "Kriegsmarine" during World War II.
She was built by the Deutsche Werft yard at Finkenwerder, Hamburg with yard number 336. Commissioned in June 1942, she was commanded by "Kapitänleutnant" Klaus Bargsten.
The U-boat was assigned to the 4th U-boat Flotilla for training and the 2nd flotilla for operations.
"U-521" was sunk on 2 July 1943 by the submarine chaser . The