A U.S. Marine with 2d Battalion, 8th Marines scans for threats while patrolling during Resolute Dragon 21 on Ojojihara Proving Grounds Dec. 9, 2021. RD21 is the largest bilateral field training exercise between the U.S. Marine Corps and Japan Ground Self-Defense Force since 2013 and is the largest ever in Japan. RD21 is designed to strengthen the defensive capabilities of the U.S.-Japan Alliance by exercising integrated command and control, targeting, combined arms, and maneuver across multiple domains. 2/8 is forward deployed in the Indo-Pacific in support of 4th Marines, 3d Marine Division as part of the Unit Deployment Program.
U.S. Marine Corps photo by Sgt. Mario A. Ramirez