U.S. Marines with Alpha Company, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, operate an assault amphibious vehicle during a live-fire range at Fort Barfoot, Virginia, April 4, 2024. This training prepared the Marines for this year's Integrated Training Exercise 4-24, the Marine Corps Reserve's premiere annual training event held at Marine Corps Air-Ground Combat Center Twentynine Palms, California, and gave them the opportunity to qualify on critical skill sets necessary for mission success. (U.S. Marine Corps photo by Lance Cpl. Juan Diaz)

U.S. Marine Corps Amphibious Assault Vehicles (AAV) with Alpha Company, 4th AAV Battalion, 4th Marine Division, Marine Forces Reserve conduct splash downs at Deagu Beach in Pohang, South Korea, in preparation for amphibious operations during Korean Marine Exchange Program 15-8 as a part of Peninsula Express 15, June 30, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)

U.S. Marine Corps Amphibious Assault Vehicles (AAV) with Alpha Company, 4th AAV Battalion, 4th Marine Division, Marine Forces Reserve conduct splash downs at Deagu Beach in Pohang, South Korea, in preparation for amphibious operations during Korean Marine Exchange Program 15-8 as a part of Peninsula Express 15, June 30, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)