USS Rockwall (APA-230) was a Haskell-class attack transport that saw service with the US Navy in World War II the Korean War and the Vietnam War. Rockwall was named after Rockwall County Texas. She was laid down for the Maritime Commission on 9 September 1944 by Kaiser Shipbuilding of Vancouver Washington; launched 5 November; acquired by the Navy on loan-charter 14 January 1945 and commissioned the same day at Astoria Oregon Capt. Charles W. Roland in command. 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