U.S. Air Force Tech. Sgt. Misty Smith, 633rd Aerospace Medicine Squadron Wing Evaluation Exercise Team member observes and evaluates inspectors searching for simulated-food contamination during a terrorist use of chemical, biological, radiological, nuclear and high-yield explosive exercise, July 26, 2012, at Langley Air Force Base, Va. The four-hour exercise evaluated the 633rd Air Base Wing’s ability to react and respond to a possible CBRNE event. (U.S. Air Force photo by Senior Airman Stephanie Rubi/Released)