Q:The third USS Vigilant (SP-406) later USS SP-406 was a United States Navy patrol vessel in commission from 1917 to 1918. Vigilant was built as the private motorboat Marguerite II in 1909 by Henry L. Blatz at Philadelphia Pennsylvania. She had been renamed Vigilant by the time the U.S. Navy acquired her from her owner E. B. Smith of Philadelphia in 1917 for use as a section patrol vessel during World War I. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Mean Of Transportation