The USS Torsk (SS-423) is docked at the Baltimore Maritime Museum and is one of two Tench Class submarines still located inside the United States. It is nicknamed the Galloping Ghost of the Japanese Coast. In 1945 Torsk made two war patrols off Japan sinking one cargo vessel and two coastal defense frigates. The latter of these torpedoed on 14 August 1945 was the last enemy ship sunk by the U.S. Navy in World War II. 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