Engine rebuild
U.S. Air Force Airman Joshua Fennimore, 23rd Component Maintenance Squadron, rebuilds an A-10C Thunderbolt II engine at the 372nd Training Squadron, during a TF-34 Intermediate Maintenance Course, Aug. 23, 2011. The course gave Fennimore and fellow classmates the knowledge required to take apart and rebuild engines for the A-10 aircraft stationed at Moody Air Force Base, Ga. (U.S. Air Force photo by Staff Sgt. Joshua J. Garcia/Released)