Please answer the following question: The Vickers Wellington was a British twin-engined long range medium bomber designed in the mid-1930s at Brooklands in Weybridge Surrey by Vickers-Armstrongs' Chief Designer Rex Pierson in response to specification B.9/32. Issued in the middle of 1932 this called for a twin-engined day bomber of perceptibly higher performance than any previous designs. 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