The aircraft was officially designated the O-2A. In 1967, 223 aircraft were delivered to the U.S. Air Force, and many more followed as the Vietnam war continued. The Super Skymaster filled a unique ...

The O-2 was developed in the 1960s as a cheap and simple aircraft, with twin-engines, as a supplement to Cessna’s already-serving forward air control prop, the O-1 Bird Dog.