German submarine U-3005 was a Type XXI U-boat (one of the "Elektroboote") of Nazi Germany's Kriegsmarine, built for service in World War II. She was ordered on 6 November 1943, and was laid down on 21 June 1944 at AG Weser, Bremen, as yard number 1164. She was launched on 19 August 1944, and commissioned under the command of Oberleutnant zur See Walter Sitek, on 20 September 1944.[3]