U.S. Air Force integrated avionics specialists from 94th Aircraft Maintenance Unit perform maintenance on an F-22 Raptor at Nellis Air Force Base, Nevada, July 16, 2019. Due to the simulated deployed environment at Red Flag 19-3, the specialists must know how the aircraft reacts to the different environment and how to correct the issues that come with it. (U.S. Air Force photo by Senior Airman Tristan Biese)