Student in the Advanced Contigingency Skills Training Course practice combat first aid techniques May 11, 2009 on a simulated injury victim during a training scenario on a Fort Dix, N.J. range. The training taught by the U.S. Air Force Expeditionary Center's 421st Combat Training Squadron prepares Airmen for upcoming deployments providing combat skills training in everything from combat first aid and convoy operations to patrolling and tactics. (U.S. Air Force Photo/Staff Sgt. Nathan G. Bevier)