181128-F-OT290-0006
U.S. Air Force Staff Sgt. Ronald Stites, 52nd Maintenance Squadron aerospace propulsion craftsman, prepares an F-16 Fighting Falcon engine for a quality assurance inspection at Spangdahlem Air Base, Germany, Nov. 28, 2018. A QA representative must review and approve all products before the parts are used in any flight. (U.S. Air Force photo by Airman 1st Class Jovante Johnson)