German submarine U-2322
 German submarine U-2322 was a highly advanced Type XXIII U-boat built for Nazi Germany's Kriegsmarine in 1944. U-2322 was one of just a few such boats to undertake an operational patrol and one of only three to undergo two. During these patrols she succeeded in sinking a single British freighter one of five ships sunk by this submarine class.U-2321 was built at Hamburg in just four months being ready by July 1944.