U.S. Marines with November Battery, 5th Battalion,

U.S. Marines with November Battery, 5th Battalion, 14th Marine Regiment, 4th Marine Division operate an M777 Howitzer during Integrated Training Exercise 4-19 at Marine Corps Air Ground Combat Center Twentynine Palms, Calif., June 14, 2019. ITX 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 Cpl. Tessa D. Watts)