181204-F-HX320-0062
U.S. Air Force Capt. Alexander "Professor" Gulick, 27th Fighter Squadron chief of standardization and evaluations, lowers the visor of his helmet as the canopy of his F-22 Raptor closes, Dec. 4, 2018, at Eglin Air Force Base, Florida. Combat Archer tests units ability to load missiles, makes sure aircraft are configured correctly and the aircraft perform as they should, verifies missiles perform as advertised, and that pilots know what to expect when facing realistic combat scenarios. (U.S. Air Force photo by Staff Sgt. Peter Thompson)