Q:The Constant Warwick was a 32-gun fourth rate frigate which served in the English Royal Navy built by Peter Pett I at Ratcliff and launched in 1645. She is sometimes regarded as the 'first English frigate' although a number of vessels built or acquired earlier (during the 1630s and 1640s) also merit a similar description. 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