Joint training initiative at Expeditionary Center prepares security forces Airmen for battlefield
Security forces Airmen train on the Army's Blue Force Tracker system during their pre-deployment training at the Air Force Expeditionary Center's 421st Combat Training Squadron Aug. 29, 2009, at Joint Base McGuire-Dix-Lakehurst, N.J. The Blue Force Tracker is a system that gives air and ground units and their commanders a real-time picture of the battlefield. (U.S. Air Force photo/Tech. Sgt. Paul R. Evans)