Members of the 79th Medical Wing and the 11th Civil Engineer Squadron, check for and photograph radiation spikes using an identiFINDER inside a mock diner at the Center for Center for National Response in Gallagher, West Virginia, March 29. Members from the 79 Medical Wing, 11 Civil Engineer Squadron and Air Force District of Washington participate in five days of exercises each year to sharpen their chemical, , radiological, nuclear or high-yield explosive readiness skills. (U.S. Air Force photo by Senior Airman Melissa V. Brownstein)