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. IMAM Ro.57 - The IMAM Ro.57 was an Italian twin-engined single-seat monoplane fighter of the Regia Aeronautica. Based on a 1939 design by Giovanni Galasso the aircraft did not enter production until 1943. By the time it entered service it was considered obsolete.Two hundred aircraft were ordered but only 50-75 were produced in two versions one flown as an interceptor the other in the role of a ground attack aircraft.
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Mean Of Transportation