Marines run through the obstruction of smoke during the live-fire assault portion of a combat readiness evaluation on Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Dec. 6, 2015. The evaluation helps prepare them for their upcoming deployment rotation. The Marines are assigned to the 1st Marine Division's 2nd Battalion, 7th Marine Regiment. U.S. Marine Corps photo by Lance Cpl. Devan K. Gowans