A U.S. Marine with Weapons Company, 2nd Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, holds a 60mm light mortar missile during Fire Support Coordination Exercise, a training event during Integrated Training Exercise 4-17 at Marine Corps Air Ground Combat Center, Twentynine Palms, California on June 26th, 2017. ITX allows Reserve Marines to train in realistic environments under realistic conditions, ensuring Marines maintain the highest level of proficiency and readiness for worldwide deployment. (U.S. Marine Corps photo by Lance Cpl. Imari J. Dubose/Released)