U.S. Marine Corps Amphibious Assualt Vehicles (AAV) with Alpha Company, 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve hits the surf during the amphibious operations portion of Korean Marine Exchange Program 15-8 at Deagu Beach in Pohang, South Korea as a part of Peninsula Express 15, July 1, 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)