U.S. Air Force Airmen from the 633rd Civil Engineer Squadron Prime Base Emergency Engineer Force (BEEF) practice firing during a simulated live-fire training sessions at Fort Eustis, Va., Oct. 16, 2013. Utilizing a simulated firing range eliminates the need for real ammo, saving time and money. (U.S. Air Force photo by Airman 1st Class Austin Harvill/Released)