Airman 1st Class Andrew Perez, 28th Civil Engineer Squadron explosive ordnance disposal technician, dons an Operational Camouflage Pattern uniform prior to a training exercise at Ellsworth Air Force Base, S.D., Oct. 6, 2015. The EOD holds exercises twice a week to improve mission readiness. (U.S. Air Force photo by Airmen Sadie Colbert/Released)