Please answer the following question: HMS H42 was a British H class submarine built by Armstrong Whitworth Newcastle Upon Tyne. She was laid down in September 1917 and was commissioned on 1 May 1919.On 23 March 1922 H42 was practising torpedo attacks against British destroyers steaming off Europa Point Gibraltar when she surfaced unexpectedly only 30 or 120 yards (27 or 110 metres) sources differ ahead of the destroyer HMS Versatile. 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?
Answer:
Mean Of Transportation