Given the question: USS Bullhead (SS-332) - USS Bullhead (SS-332) a Balao-class submarine was the very last US Navy ship sunk by enemy action during World War II probably on the same day that the first atomic bomb was dropped on Hiroshima. She was the only ship of the United States Navy to be named for the bullhead (any large-headed fish especially the catfish miller's thumb and sculpin). Her keel was laid down by the Electric Boat Company of Groton Connecticut. She was launched on 16 July 1944 sponsored by Mrs. Howard R. 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 is:
Mean Of Transportation