Senior Airman Brandon Verwey, 5th Civil Engineer Squadron explosive ordinance disposal apprentice, simulates scanning for radiation levels during an exercise on Minot Air Force Base, N.D., Aug. 5, 2014. The exercise focused on the base’s ability to respond, survive and operate in a chemical, biological, radiological or nuclear contaminated environment. (U.S. Air Force photo/Senior Airman Brittany Y. Bateman)