U.S. Air Force Airman 1st Class Zachary Perry, 94th Aircraft Maintenance Unit integrated avionics journeyman, performs maintenance on an F-22 Raptor at Nellis Air Force Base, Nevada, July 16, 2019. Airmen from the 1st Fighter Wing deployed to Red Flag 19-3 to participate in a realistic air-to-air combat exercise with U.S. and allied forces.(U.S. Air Force photo by Senior Airman Tristan Biese)