Vietnam War Hero and Forest Firefighter—Meet the OV-10A Bronco This rugged airplane served well during the Vietnam War and even had an afterlife dealing with forest fires. The 1960s saw the development of some very unique and very specialized military aircraft. Among those was the North American Rockwell OV-10 Bronco, a twin-turboprop light attack and observation aircraft. Developed in the early 1960s for use as a counter-insurgency (COIN) combat, the OV-10A’s primary role was a forward air control (FAC) plane during the Vietnam War. Interestingly, it was actually first conceived by the U...