U.S. Marines with 1st Battalion, 4th Marines, Camp

U.S. Marines with 1st Battalion, 4th Marines, Camp Pendleton, Calif., members of a fire support team, direct artillery, mortar fire and close air support while participating in a training event Feb. 1, 2015, during Integrated Training Exercise 2-15 at Twentynine Palms Marine Corps Air Ground Combat Center (MCAGCC), Calif. MCAGCC conducts relevant live-fire combined arms training, urban operations, and Joint/Coalition level integration training that promotes operational forces readiness. (U.S. Air Force photo by Master Sgt. Donald R. Allen/Released)