Q:HMS Artful (P456) was an Amphion-class submarine of the Royal Navy built by Scotts Shipbuilding and Engineering Company of Greenock and launched 22 May 1944.In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II. In 1955 she was the first of her class to be rebuilt and streamlined. In 1966 she completed a refit and recommissioned for service with the Home Fleet. 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