U.S. Air Force Col. John Paul F. Mintz, 850th Spectrum Warfare Group commander, puts on his face mask before he takes his final flight, at Eglin Air Force Base, Fla., June 20, 2023. Mintz is a command pilot with more than 1,700 flying hours in the F-15A-EX, F-16, T-38, and T-37. (U.S. Air Force