Sgt. Jerod M. Upchurch, a native of Rogersville, Tenn., serving with Engineer Company, Combat Logistics Battalion 6, 2nd Marine Logistics Group, plots grid coordinates inside a simulated humvee during a training exercise at Twentynine Palms, Calif., May 3, 2013. Upchurch coordinated communications during the unit's convoy simulator training, which incorporated mock IEDs and ambushes designed to test the servicemembers' preparedness. Digital enemies test CLB-6 Marines before deployment 130503-M-ZB219-004

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Keywords: 29, 2nd, 6, afghanistan, armed, battalion, brooklyn, clb-6, clr-2, combat, conflict, deployment, emv, engineers, eod, forces, ied, lejeune, logistics, lyon, military, mlg, palms, reserves, rogersville, south, states, tacoma, training, tuscaloosa, twentynine, united, viper, war