Airman 1st Class Kristopher Esparza, 28th Logistics Readiness Squadron, secures cargo during the Phase I Operational Readiness Exercise at Ellsworth Air Force Base, S.D., March 14, 2012. Pallets of B-1B parts were transported to a processing line where inspectors checked and weighed them for proper storage or transportation. (U.S. Air Force photo by Airman 1st Class Anania Tekurio/Released)