Senior Airman Antonia West, 302nd Logistics Readiness Squadron, simulates how to apply a combat tourniquet on Senior Airman Adrian White, also with the 302nd LRS, while 302nd Aeromedical Staging Squadron personnel observe as part of pre-deployment training at Peterson Air Force Base, Colo., July 16, 2017. More than 150 Air Force Reserve members took part in the training, which included how to respond to an active shooter situation, refreshers on the use of the chemical warfare mission oriented protective posture gear and an overview of self-aid buddy care in a combat environment. (U.S. Air Force photo/1st Lt. Stephen J. Collier)