U.S. Marines Lance Cpl. Matthew Jones, left, and Lance Cpl. Zachary Hider, right, both mortarmen with Weapons Company, 3rd Battalion, 25th Marine Regiment, 4th Marine Division adjust aiming stakes during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 5, 2019. ITX measures the ability to provide a cohesive, trained and ready capability in support of service and Combatant Commander requirements. (U.S. Marine Corps photo by Cpl. Tessa D. Watts)