An EOD instructor, Mr. David Leventhal, shows security forces students what signs to look for that there is an IED placed on their convoy route during a training exercise on a Fort Dix range, August 26, 2009, conducted by the 421st Combat Training Squadron hosted by the U.S. Air Force Expeditionary Center, Joint Base McGuire-Dix-Lakehurst, N.J. (U.S. Air Force Photo/Tech. Sgt. Paul R. Evans)