U.S. Air Force Staff Sgt. Eugene Floyd, 439th Supply Chain Operations Squadron transportation flight noncommissioned officer in charge, briefs Lt. Gen. Bruce Litchfield, commander of the Air Force Sustainment Center, during his visit to the 735th Supply Chain Operations Group at Langley Air Force Base, Va., Oct. 24, 2012. Litchfield toured the 735th SCOG to better understand its daily operations. (U.S. Air Force photo by Senior Airman Racheal Watson/Released)