The FFA P-16 was a Swiss prototype ground attack jet fighter designed in the 1950s to replace the piston-engined types then in service with the Swiss Air Force. It was Switzerland's second attempt to develop a domestically-designed and manufactured jet fighter after the EFW N-20 but the project was terminated before it could be introduced into service. 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?
Mean Of Transportation