Marines run through the obstruction of smoke during the company supported, live-fire assault portion of a Marine Corps Combat Readiness Evaluation at Marine Corps Air Ground Combat Center Twentynine Palms, California, Dec. 6, 2015. The purpose of a MCCRE is to evaluate Marines' collective performance in specific mission requirements that will prepare them for their upcoming deployment rotation. The Marines are with 2nd Battalion, 7th Marine Regiment, 1st Marine Division.  (U.S. Marine Corps photo by Lance Cpl. Devan Gowans)