Q:USS Julia Hamilton (SP-1460) was a United States Navy patrol vessel in service from 1917 to 1918.Julia Hamilton was built as a wooden civilian schooner of the same name. On 17 August 1917 the U.S. Navy acquired her from her owner the Maryland Conservation Commission for use as a section patrol boat 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