Air Force and Army emergency responders treat a simulated battle wound on Airman 1st Class Therrion Grooms, 332nd Expeditionary Logistics Readiness Squadron supply manager, by placing a tourniquet on his left arm during a mass casualty battle drill, March 31. The drill was held to test the abilities of members of base personnel to respond to an emergency situation. Airman Grooms is deployed from Luke Air Force Base, Ariz.