Please answer the following question: German submarine U-514 - German submarine U-514 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down by Hamburg Werft as 'werk' 310 on 29 April 1941 launched on 18 November and commissioned in December 1941 under Kapitanleutnant Hans-Jurgen Auffermann.The U-boat was assigned to the 4th U-boat Flotilla for training between 24 January and 31 August 1942 and then the 10th flotilla for operations from 1 September until her loss. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Mean Of Transportation