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Cmdr. Colin Roberts, commanding officer, USS Ralph Johnson (DDG 114) briefs Maj. Gen. Jay Bargeron, commanding general, 3d Marine Division, and Capt. Walt Mainor, deputy commodore, Destroyer Squadron (DESRON) 15, in the ship’s pilothouse. Ralph Johnson is supporting U.S. Marines and members of the Japan Ground Self-Defense Force (JGSDF) as part of Resolute Dragon, an exercise designed to strengthen the defensive capabilities of the U.S.-Japan Alliance by refining procedures for bilateral command, control, and coordination in a geographically distributed environment.