Cessna A-37 airplane modelCessna A 37 Dragonfly airplane model. The Cessna A 37 Dragonfly was designed in the early 1950s as a result of the U. S. Air Force's desire for an easily flown turbojet trainer. In 1953, Cessna was awarded the contract for their Model 318 aircraft, which was later redesignated as the XT 37 (later T 37 Tweet). It was found that the Dragonfly had excellent handling and service qualities, and was pressed into counter insurgence and attack roles by