Tech. Sgt. Carolyn Schaefer, 442nd Aircraft Maintenance Squadron crew chief, checks the oil in an A-10C Thunderbolt II turbo-fan engine Aug. 31 at Hill Air Force Base, Utah, following a trainig sortie. Sergeant Schaefer is part of the 442nd Fighter Wing, an Air Force Reserve unit based at Whiteman Air Force Base, Mo. Approximately 70 reservists from the wing deployed to Hill AFB for training on the Utah Test and Training Range. (U.S. Air Force photo/Lt. Col. David Kurle)