A U.S. Marine Corps infantry rifleman with 1st Battalion, 25th Marine Regiment, 4th Marine Division, moves towards a simulated target during Integrated Training Exercise 5-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., July 27, 2019. ITX 5-19 is a live-fire and maneuver combined arms exercise designed to train battalion and squadron-sized units in tactics, techniques, and procedures required to provide a sustainable and ready operational reserve for employment across the full spectrum of crisis and global engagement. (U.S. Marine Corps photo by Lance Cpl. Jose Gonzalez)