ACST: Cover and concealment
Students in the Advanced Contingency Skills Training Course 09-1 react to a scenario that simulates a burning vehicle during convoy operations training on a Fort Dix, N.J., range Oct. 9, 2008. ACST is taught by the U.S. Air Force Expeditionary Center's 421st Combat Training Squadron and prepares Airmen for upcoming deployments. (U.S. Air Force Photo/Staff Sgt. Paul R. Evans)