sentences:  German submarine U-280
  
  German submarine "U-280" was a Type VIIC U-boat of Nazi Germany's "Kriegsmarine" during World War II.The submarine was laid down on 30 April 1942 at the Bremer Vulkan yard at Bremen-Vegesack, launched on 4 January 1943, and commissioned on 13 February 1943 under the command of "Oberleutnant zur See" Walter Hungershausen.