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Troxell

Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speaks to Marine Corps Gen. Joe Dunford, the chairman of the Joint Chiefs of Staff, aboard a UH-60 Black Hawk helicopter in Hawaii, Feb. 9, 2016. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro

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