USS Burrfish (SS/SSR-312) a Balao-class submarine was a ship of the United States Navy named for the burrfish a swellfish of the Atlantic coast. After World War II she was loaned to the Royal Canadian Navy where she served as HMCS Grilse (SS-71) from 1961 until 1969.Burrfish was launched 18 June 1943 by Portsmouth Navy Yard in Kittery Maine sponsored by Miss Jane Elizabeth Davis daughter of Senator James J. Davis from Pennsylvania and commissioned 14 September 1943 Commander William B. 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