Staff Sgt. Andre Rivera, 911th Maintenance Squadron jet propulsion technician, inspects a C-17 Globemaster III engine during a Home Station Check inspection at the Pittsburgh International Airport Air Reserve Station, Pa., May 18, 2020. Due to the travel restrictions put in place because of COVID-19, Airmen are performing HSC inspections on the airport’s flightline while a new hangar is under construction. (U.S. Air Force photo by Joshua J. Seybert)