Cpl. Jaquan Derricotte (left), a radio operator with Headquarters Battery, 10th Marine Regiment, 2nd Marine Division, from Athens, Ga., addresses a Marine simulating hysteria as part of a mass casualty training during Exercise Rolling Thunder on Fort Bragg, N.C., Oct. 25, 2014. The training allowed Marines to practice battlefield trauma techniques on their fellow Marines, who simulated lost limbs, blindness, shrapnel wounds, and other battlefield injuries. (U.S. Marine Corps photo released by Lance Cpl. Kirstin Merrimarahajara/ Released) - Cpl. Jaquan Derricotte (left), a radio operator with Headquarters Battery, 10th Marine Regiment, 2nd Marine Division, from Athens, Ga., addresses a Marine simulating hysteria as part of a mass casualty training during Exercise Rolling Thunder on Fort Bragg, N.C., Oct. 25, 2014. The training allowed Marines to practice battlefield trauma techniques on their fellow Marines, who simulated lost limbs, blindness, shrapnel wounds, and other battlefield injuries. (U.S. Marine Corps photo released by Lance Cpl. Kirstin Merrimarahajara/ Released)

Cpl. Zachery Fowler (center) a gunner with 2nd Tank Battalion, 2nd Marine Division, and Estillfork, Ala., native, takes a short break with his team after they performed a patrol to look for simulated hostiles at Landing Zone Hawk aboard Marine Corps Base Camp Lejeune, N.C., Sept. 29, 2014. Fowler’s company performed maneuver exercises Sept. 28 through Oct. 2, 2014 to sharpen their basic skills and improve team camaraderie. “For mission readiness, it’s important that we have good cohesion inside the tank,” said Fowler. - Cpl. Zachery Fowler (center) a gunner with 2nd Tank Battalion, 2nd Marine Division, and Estillfork, Ala., native, takes a short break with his team after they performed a patrol to look for simulated hostiles at Landing Zone Hawk aboard Marine Corps Base Camp Lejeune, N.C., Sept. 29, 2014. Fowler’s company performed maneuver exercises Sept. 28 through Oct. 2, 2014 to sharpen their basic skills and improve team camaraderie. “For mission readiness, it’s important that we have good cohesion inside the tank,” said Fowler.