 It replaced the Federalized Iowa Air National Guard 132d Fighter Bomber Wing which was being returned to state control after a twenty-one-month period of activation as a result of the Korean War.Initially using the former ANG F-51D Mustangs, the 366th received F-86F Sabres which were returned from Korea in the summer of 1953, then received new swept-wing F-84F Thunderstreaks in early 1954.On 18 March 1954, the KB-29 equipped 420th Air Refueling Squadron was attached to the Wing to provide air refueling for the Thunderstreaks.