U.S. Air Force Staff Sgt. Erwin Samson and Airman 1st Class Tranell Dixon, 633rd Logistics Readiness Squadron, palletize mobility bags for transport during the phase I combined unit exercise, Dec. 11, 2012, at Langley Air Force Base, Va. The CUE was held to help Langley Airmen prepare for future deployments. (U.S. Air Force photo by Staff Sgt. John D. Strong II/Released)