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A member of the Japanese Ground Self-Defense Force, 30th Infantry Regiment, 12th Brigade, Eastern Army, practices fast roping from an MV-22B Osprey tiltrotor aircraft during Forest Light 17-1 at Camp Soumagahara on Mar. 9, 2017. Forest Light is a routine, semi-annual exercise conducted by U.S. and Japanese forces in order to strengthen interoperability and combined capabilities in defense of the U.S.-Japanese alliance. U.S. Marine Corps photo by Cpl. Kelsey Dornfeld