PITTSBURGH INTERNATIONAL AIRPORT AIR RESERVE STATION, Pa. -- Brig. Gen. Jeffrey T. Pennington, 4th Air Force commander, speaks with Airmen of the 911th Maintenance Group at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, July 11, 2020. Pennington visited members of the 911th Airlift Wing to thank them for their service and to recognize individual Airmen for outstanding achievements.