U.S. Air Force Airman 1st Class William Amershek, 7th Civil Engineer Squadron explosive ordnance disposal apprentice, checks the contents of a box using a digital x-ray machine at Dyess Air Force Base, Texas, June 28, 2017. The x-ray machine allows EOD technicians to closely examine the internal contents of any suspicious packages, possible improvised explosive devices or unexploded ordinances. (U.S. Air Force photo by Senior Airman Katherine Miller)