Lance Cpl. Elias D. Gonzales scans for potential threats during convoy training April 5 at the combat convoy simulator on Camp Hansen. The simulator allowed Marines to use gas-powered weapons systems to practice their rules of engagement against simulated enemies. Gonzales is a bulk fuel specialist with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force. Photo by Cpl. Matthew Manning - Lance Cpl. Elias D. Gonzales scans for potential threats during convoy training April 5 at the combat convoy simulator on Camp Hansen. The simulator allowed Marines to use gas-powered weapons systems to practice their rules of engagement against simulated enemies. Gonzales is a bulk fuel specialist with 9th Engineer Support Battalion, 3rd Marine Logistics Group, III Marine Expeditionary Force. Photo by Cpl. Matthew Manning