Readiness

Lance Cpl. Tyler G. Ruffer, a rifleman with Charlie Company, 1st Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, leads a room clearing drill during Exercise Arctic Eagle at Camp Grayling, Mich., April 24, 2015. The Marines practiced tactics such as room clearing, door breaching and urban patrolling as a work up to an urban warfare simulation at Camp Grayling's Combined Armed Collective Training Facility the following day. (U.S. Marine Corps photo by Cpl. Ian Leones/Released)