U.S. Air Force Tech Sgt. Tyler McLeod, 820th Combat Operations Squadron NCO in charge of training, simulates distress while wearing a hostage vest during an explosives and hazardous material scenario, May 25, 2017, at Moody Air Force Base, Ga. The exercise simulated initial responses from first responders who then contacted other appropriate units after assessing the potential threat while also assisting the simulated victims of hazardous materials. (U.S. Air Force photo by Airman 1st Class Daniel Snider)