U.S. Marines with 1st Battalion, 6th Marine Regiment, 2nd Marine Division, fire a M240B machine gun during company attacks at Range 400, Marine Corps Air-Ground Combat Center, Twentynine Palms, California, April 8, 2025. Range 400 is designed to enhance Marines’ ability to coordinate fires, execute tactical maneuvers, and maintain communication at the company level, under live-fire conditions, all within a realistic and challenging environment designed to simulate the complexities of modern combat. (U.S. Marine Corps photo by Staff Sgt. Armando Elizalde)