Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. German submarine U-756 -  German submarine U-756 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. Launched from Werk 139 at the Kriegsmarinewerft (KMW) in Wilhelmshaven Lower Saxony (then the Free State of Oldenburg) she served with 6th U-boat flotilla from 30 December 1941 to 1 September 1942 under the command of Kapitänleutnant Klaus Harney.
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Mean Of Transportation