BAGRAM AIR BASE, Afghanistan -- Staff Sgt. Shaun Loeffler hooks up a hydraulic test stand to an A-10 Thunderbolt II here. The stand is used to check the aircraft's flight control system. Sergeant Loeffler is crew chief assigned to the 455th Expeditionary Aircraft Maintenance Squadron and is deployed from Eielson Air Force Base, Alaska. (Air Force Photo by Master Sgt. Jeff Szczechowski)