PITTSBURGH INTERNATIONAL AIRPOT AIR RESERVE STATION, Pa. -- Airman Brandon Parker, 911th Aircraft Maintenance Squadron crew chief, conducts a pre-flight inspection on a C-17 Globemaster III the Pittsburgh International Airport Air Reserve Station, Pennsylvania, June 9, 2022. Crew chiefs conduct pre-flight inspections before every flight to ensure mission readiness of the aircraft. (U.S. Air Force photo by Joshua J. Seybert)