Corporal Osmar Gorish, a section chief with Battery A, 1st Battalion, 11th Marine Regiment, 1st Marine Division, sets security during a simulated emergency emplacement during Exercise Desert Scimitar 2015 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., April 7, 2015. The tough, realistic live-fire training central to Desert Scimitar allows Division units to train in order to maintain readiness and meet current and real-world operational demands.