Marines with Mike Battery, 3rd Battalion, 14th Marine Regiment, 4th Marine Division, set up the M777 Howitzer for a direct fire shoot exercise in Twentynine Palms, California, as apart of Integrated Training Exercise 4-18. ITX 4-18 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 employment.