David Davidson, 633rd Logistics Readiness Squadron vehicle maintainer, reviews technical orders for a 25K loader at Langley Air Force Base, Va., Oct. 1, 2014. Davidson checked the orders after fixing the loader’s transport operation system. This system allows the vehicle to rise up to aircraft for loading and unloading materials. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)