U.S. Air Force Airman 1st Class Alan Bernal, 1st Aircraft Maintenance Squadron assistant dedicated crew chief, checks technical orders under the wing of an F-22 Raptor at Joint Base Langley-Eustis, Virginia, Feb. 21, 2018. Crew chiefs are tasked with ensuring aircraft are ready to fly at a moment’s notice. (U.S. Air Force photo by Senior Airman Anthony Nin Leclerec)