An F-16C Falcon fighter jet assigned to the 64th Aggressor Squadron, taxis prior to a Red Flag-Nellis 21-3 mission at Nellis Air Force Base, Nev., Aug. 4, 2021. Aggressor pilots are highly skilled in U.S. and adversary tactics. They provide realism to U.S. and allied forces during training exercises. (U.S. Air Force photo by William R. Lewis)