U.S. Air Force Col. Jon S. Wheeler, 33rd Fighter Wing commander, prepares for his final flight in the F-35A Lightning II, July 27, 2021 at Eglin Air Force Base, Florida. Throughout his career, Wheeler flew 2200 flight hours between the F-16 Fighting Falcon and the F-35A Lightning II. (U.S. Air Force photo by Senior Airman Heather LeVeille)