Maintenance Documents U.S. Air Force Staff Sgt. Eve Dorshorst documents completed maintenance on an F-16 Fighting Falcon aircraft on Bagram Airfield, Afghanistan, Jan. 6, 2016. Dorshorst is a crew chief assigned to the 455th Expeditionary Aircraft Maintenance Squadron, deployed from Hill Air Force Base, Utah. U.S. Air Force photo by Tech. Sgt. Robert Cloys SHARE: Download: Full Size (1.89 MB) Tags: 455th AEW, Photo Essays, Bagram Airfield, 421st EFS, 455th Expeditionary Aircraft Maintenance Squadron, Fighting Falcon, afghanistan, crew chief, Freedom's sentinel, HILL Air Force BASE, All images Credit: Tech. Sgt. Robert Cloys VIRIN: 160106-F-CX842-011.JPG Photo Gallery