 German submarine U-504

German submarine "U-504" was a Type IXC U-boat of Nazi Germany's "Kriegsmarine" during World War II.The submarine was laid down on 29 April 1940 at the Deutsche Werft yard in Hamburg as yard number 294, launched on 24 April 1941 and commissioned on 30 July 1941 under the command of "Korvettenkapitän" Hans-Georg Friedrich "Fritz" Poske.