The very first USS Hatteras was a 1126-ton steamer purchased by the Union Navy at the beginning of the American Civil War. She was outfitted as a gunboat and assigned to the Union blockade of the ports and waterways of the Confederate States of America. During an engagement with the disguised Confederate commerce raider CSS Alabama she was taken by surprise and was sunk off the coast of Galveston Texas. 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?
Mean Of Transportation