A Marine with Company A, 1st Reconnaissance Battalion, 1st Marine Division, fires behind cover at simulated targets during immediate action drills aboard Marine Corps Base Camp Pendleton, Calif., Sept. 9, 2015. The drills were part of a 2-week training schedule used to build on basic infantry skills for an upcoming deployment with a Marine Expeditionary Unit. (U.S. Marine Corps photo by Cpl. Tony Simmons/RELEASED) - A Marine with Company A, 1st Reconnaissance Battalion, 1st Marine Division, fires behind cover at simulated targets during immediate action drills aboard Marine Corps Base Camp Pendleton, Calif., Sept. 9, 2015. The drills were part of a 2-week training schedule used to build on basic infantry skills for an upcoming deployment with a Marine Expeditionary Unit. (U.S. Marine Corps photo by Cpl. Tony Simmons/RELEASED)