A U.S. Marine Corps Mortar Team with Weapons Company, 2nd Battalion, 24th Marines, 23rd Marine Regiment, 4th Marine Division, Marine Forces Reserve conducts speed drills with their equipment before the start of Amphibious Operations during Korean Marine Exchange Program 15-8 at Daegu Beach in Pohang, South Korea, 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)