Tech. Sgt. Matt Thompson (left), independent duty medical technician and medical instructor for the U.S. Air Force Expeditionary Center's 421st Combat Training Squadron, teaches a session of the Care Under Fire (combat first aid) class to students in the Combat Airman Skills Training Course 10-1A on Nov. 9, 2009, at the center at Joint Base McGuire-Dix-Lakehurst, N.J. The class focuses on combat lifesaver skills. The CAST course trains Airmen for upcoming deployments. (U.S. Air Force Photo/Tech. Sgt. Scott T. Sturkol)