PITTSBURGH INTERNATIONAL AIRPORT AIR RESERVE STATION, Pa. -- C-17 Globemaster III assigned to the 911th Airlift Wing sit on the flightline behind grounded commercial aircraft at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, March 30, 2020. Despite commercial air travel restrictions due to the COVID-19 outbreak, mission essential personnel from the 911th AW work to continue the mission in defense of the nation.