CAMP PENDLETON, Calif. (Sept. 17, 2020) Secretary of Defense Mark T. Esper views the amphibious combat vehicle during static a display with 3rd Assault Amphibian Battalion, 1st Marine Division at Camp Pendleton, California, Sept. 17, 2020. The amphibious combat vehicle will replace the amphibious assault vehicle in all assault amphibian battalions across the Marine Corps, equipping Marines to effectively conduct sea-to-shore operations. (U.S. Marine Corps photo by Staff Sgt. Kyle C. Talbot)