Q:The first USS Sapphire (SP-710) was a United States Navy patrol vessel in commission from 1917 to 1918.Sapphire was built as a small private wooden-hulled steam yacht of the same name in 1900 by the Herreshoff Manufacturing Company at Bristol Rhode Island. On 8 June 1917 her owner Jeremiah Milbank of New York City enrolled her in the Naval Coast Defense Reserve and the U.S. Navy ordered her into service 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