CHARLESTON AIR FORCE BASE, S.C. -- Airman 1st Class Todd Elkins looks up C-17 discrepancy information in an aircraft maintenance records binder on the Charleston Air Force Base flightline Oct. 23. Maintenance technicians at Charleston AFB work around the clock every day to keep the 437th and 315th Airlift Wings' fleet of C-17s flying. Airman Elkins is an electrical and environmental systems journeyman with the 437th Aircraft Maintenance Squadron. (U.S. Air Force photo/James Bowman)