U.S. Marines with Alpha Company, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, operate an amphibious assault vehicle (AAV) in support of 4th Combat Engineer Battalion during an anti-personnel obstacle breaching system (APOB) demonstration at Integrated Training Exercise 4-24 at Marine Corps Air-Ground Combat Center Twentynine Palms, California, June 11, 2024. ITX enables the reserve component to simulate a mobilization and deploy its forces in preparation for potential future deployments in the event of a contingency or emergency. (U.S. Marine Corps photo by Lance Cpl. St. Pierre)