By | September 02, 2009
Staff Sgt. Dustin Clark performs a combined pre-flight inspection on the right wing of a C-17 on the flightline here Aug. 27. The steps of the inspection are detailed within three separate books, divided into sections of instructions covering the inside, top, wing and the left and right exterior areas. Sergeant Clark is a crew chief with the 315th Aircraft Maintenance Squadron. (U.S. Air Force photo/Staff Sgt. Daniel Bowles)