Q:USS Safeguard (ARS-25) was an Diver-class rescue and salvage ship commissioned by the U.S. Navy during World War II. Her task was to come to the aid of stricken vessels.Safeguard was laid down on 5 June 1943 by the Basalt Rock Company in Napa California; launched on 20 November 1943; and commissioned on 30 September 1944 at the Southern Pacific Docks Vallejo California Lt. J. F. Simmons in command. 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