Given the question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Convair Model 48 Charger - The Convair Model 48 Charger was a prototype light attack and observation aircraft of the 1960s developed to meet a requirement for a dedicated counter-insurgency (COIN) aircraft. It was a two-seat twin-boom aircraft powered by two turboprop engines which lost out to the North American Rockwell OV-10 Bronco of similar layout only a single example being built.
The answer is:
Mean Of Transportation