Senior Airmen Aaron Carpenter, left, and Cody Jones, 23d Component Maintenance Squadron driver operators, carry a simulated casualty away from the crime scene during an active shooter exercise, Dec. 8, 2016, at Moody Air Force Base, Ga. Firefighters and paramedics arrived to assist the injured after the scene was declared safe. (U.S. Air Force photo by Airman 1st Class Daniel Snider)