Charleston AFB conducted a major accident response exercise to test how Airmen respond to a simulated explosion caused by an improvised explosive device on Charleston AFB Dec. 2. (Air Force photo/Airman 1st Class Katie Gieratz)

Master Sgt. Kenneth Friday takes care of Staff Sgt. Brandon Bennett during an exercise on Charleston AFB Dec. 2. The base conducted the exercise to test how Airmen respond to a simulated explosion caused by an improvised explosive device. Sergeants Friday is with the 437th Medical Group and Sergeant Bennett is with the 437th Medical Operations Squadron. (U.S. Air Force photo/Airman 1st Class Katie Gieratz)

Members from the 437th Security Forces Squadron secure the area while performing on-scene self-aid buddy care behind the Fitness and Sports Center Dec. 2. The base conducted the exercise to test how Airmen respond to a simulated explosion caused by an improvised explosive device. (U.S. Air Force photo/Senior Airman Timothy Taylor)

Tech. Sgt. Todd Barnett drags the simulated unconscious body of Airman 1st Class Candice Ezell away from the exercise scene behind the Fitness and Sports Center Dec. 2. The base conducted the exercise to test how Airmen respond to a simulated explosion caused by an improvised explosive device. Sergeant Barnett is with the 437th Civil Engineer Squadron and Airman Ezell is with the 437th Medical Group. (U.S. Air Force photo/Senior Airman Timothy Taylor)

Tech. Sgt. Stephen Thompson operates a smoke machine inside the vehicle to simulate an explosion behind the Fitness and Sports Center Dec. 2. The base conducted the exercise to test how Airmen respond to a simulated explosion caused by an improvised explosive device. Sergeant Thompson is with the 437th Civil Engineer Squadron. (U.S. Air Force photo/Senior Airman Timothy Taylor)