USS Nokomis (SP-609) -  USS Nokomis (SP-609) was a yacht purchased by the U.S. Navy during World War I. She was outfitted as a patrol craft with 3-inch guns and assigned to protect commercial shipping in the North Atlantic Ocean from German submarines and Q-ships. Post-war she was returned to the U.S. and decommissioned. Subsequently she was placed back into service as a survey vessel a role she maintained for nearly two decades before again being decommissioned and struck from the Navy List. 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?
The answer to this question is:
Mean Of Transportation