Senior Airman Christopher Redfern, 28th Logistics Readiness Squadron fuels operator, monitors baggage as it is X-rayed during a deployment readiness exercise in the Deployment Center at Ellsworth Air Force Base, S.D., Dec. 14, 2012. Baggage must be X-rayed to ensure no contraband or prohibited items such as firearms or other deadly weapons make it on board an aircraft. (U.S. Air Force photo by Airman Ashley J. Woolridge/Released)