PITTSBURGH INTERNATIONAL AIRPORT AIR RESERVE STATION, Pa. -- Lt. Col. Gregory S. Sell, 911th Aeromedical Evacuation Squadron commander, cuts a ribbon after a lengthy renovation at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, Aug. 6, 2021. Renovations have been completed on the former 911th Avionics Flight building and will soon be staffed by the 911th AES.