U.S. Airmen assigned to the 20th Civil Engineer Squadron explosive ordnance disposal flight work together to sort through leftover bomb dummy units (BDUs) at Poinsett Electronic Combat Range, Wedgefield, S.C., Jan. 25, 2017. After the first detonation, EOD Airmen must ensure any remaining intact BDUs are destroyed in a second clean-up detonation. (U.S. Air Force photo by Airman 1st Class Destinee Sweeney)