Airman 1st Class Derek Barbour, 28th Logistics Readiness Squadron packing and crating technician, verifies shipping contents being delivered at Ellsworth Air Force Base, S.D., May 1, 2012. The 28th LRS packing and crating section ships all aircraft and supply parts. (U.S. Air Force photo by Airman 1st Class Alystria Maurer/Released)