 On 28 August 1972, Captain Steve Ritchie became the first USAF ace of the war. On 9 September 1972, WSO Capt Charles B. DeBellevue became the highest-scoring American ace of the war with six victories. and WSO Capt Jeffrey Feinstein became the last USAF ace of the war on 13 October 1972. Upon return to the United States, DeBellevue and Feinstein were assigned to undergraduate pilot training (Feinstein was given a vision waiver) and requalified as USAF pilots in the F-4. USAF F-4C / D / E crews scored 107 ½ MiG kills in Southeast Asia (50 by Sparrow, 31 by Sidewinder, five by Falcon, 15.5 by gun, and six by other means).
