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German submarine U-411 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.She was laid down on 28 January 1941 by Danziger Werft, Danzig as yard number 112, launched on 15 November 1941 and commissioned on 18 March 1942 under Oberleutnant zur See Gerhard Litterscheid.