U.S. Air Force Senior Airman Scott Miller, 71st Aerial Port Squadron ramp specialist, chains down a truck inside of a C-17 Globemaster III during a training mission at Langley Air Force Base, Va., Nov. 2, 2013. The 71st APS is an Air Force Reserve unit that provides logistical functions to ports of debarkation, to include passenger and cargo processing, airdrop rigging and preparing cargo for flight. (U.S. Air Force photo by Staff Sgt. John D. Strong II/Released)