Members of the 79th Medical Wing and the 11th Civil Engineer Squadron decontaminate a member of their team during a Black Flag exercise in Gallagher, W. Va, March 29. Personnel from the Air Force District of Washington participated in five days of exercises at the Center for National Response which provides state of the art training on weapons of mass destruction, counterterrorism and consequence management along with operational on site equipment to help familiarize personnel with these subjects. (U.S. Air Force photo/ Senior Airman Melissa V. Brownstein)