Secretary of Defense Jim Mattis speaks during a garden party before a sunset parade as the invited guest of honor by Commandant of the Marine Corps. Gen. Robert B. Neller and Commanding Officer of the Marine Barracks Washington Col. Tyler J. Zagursk at the Marine Barracks Washington, Arlington, Va., June 30, 2017. (DOD photo by U.S. Army Sgt. Amber I. Smith)
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