MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. – Marines with Company L, 3rd Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, shoot down range at simulated targets in a live fire exercise during the Integrated Training Exercise 4-15 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 14, 2015. ITX allows Reserve Marines to train in realistic environments under realistic conditions, which helps Marines maintain a high level of proficiency and readiness for worldwide deployment. (U.S Marine Corps photo by Cpl. Ian Ferro)