AFGSC Airmen train for 2018 Air Force Defender Challenge
Staff Sgt. Katlyn Porter, 509th Security Forces Squadron evaluator, waits for an order to shoot during a trainin session Aug. 29, 2018, at Fort Harrison, Mont. Airmen are highly trained to adhere to the highest standards of personal reliability, dedication and performance. (U.S. Air Force photo by Airman 1st Class Tristan Truesdell)