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Photo Gallery

Ceremony Briefing

Defense Secretary Ash Carter, center, and Marine Corps Gen. Joe Dunford, foreground right, chairman of the Joint Chiefs of Staff, attend a briefing on the order of events for the change-of-command ceremony for the North American Aerospace Defense Command and U.S. Northern Command at Peterson Air Force Base, Colo., May 13, 2016. DoD photo by Air Force Senior Master Sgt. Adrian Cadiz

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