U.S. Marines with 2nd Battalion, 24th Marine Regiment, 4th Marine Division, Marine Forces Reserve, provide suppressive fire atop machine gun hill while executing Range 400 during Integrated Training Exercise 4-24, Marine Corps Air Ground Combat Center, Twentynine Palms, California, June 18, 2024. Range 400 is used to train rifle companies in the techniques and procedures for attacking fortified areas. ITX is the culmination of Marine Forces Reserve’s training cycle as they participate in a live-fire, combined arms exercise as a part of Marine Air-Ground Task Force operating over vast distances. (U.S. Marine Corps photo by Sgt. Ethan M. LeBlanc)