PITTSBURGH INTERNATIONAL AIRPORT AIR RESERVE STATION, Pa. -- Airman 1st Class Liam Pritchard, 911th Maintenance Squadron aerospace propulsion technician, raises a maintenance stand while preparing for an eco-wash to be conducted on a C-17 Globemaster III's engines at the Pittsburgh International Airport Air Reserve Station, Pennsylvania, March 18, 2022. Eco-washes are conducted routinely to prevent corrosion while ensuring the aircraft engines perform at an optimal level. (U.S. Air Force photo by Joshua J. Seybert)