U.S. Air Force Tech. Sgt. William Padin, 52nd Security Forces Squadron training NCO in-charge, holds simulation rounds at Spangdahlem Air Base, Germany, Dec. 11, 2018. Simulation rounds provide users with the opportunity to see, feel, and hear close to what a real round is like in a firefight engagement. (U.S. Air Force photo by Airman 1st Class Kyle Cope)