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, Pennsylvania, May 18, 2020. Airmen are performing the first ever HSC in Pittsburgh on the flightline due to the travel restrictions in place because of COVID-19 while the new hangar is still under construction. (U.S. Air Force photo by Joshua J. Seybert)