Given the question: The SAAB 21 was a Swedish fighter/attack aircraft from Saab that first took to the air in 1943. It was described as a very efficient weapons platform. It was designed as a twin boom pusher configuration where the propeller is mounted in the rear of the fuselage pushing the aircraft forward. 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?
The answer is:
Mean Of Transportation