Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speaks with sailors and Marines assigned to Marine Corps Forces Pacific following an early morning physical training session in Hawaii, Feb. 10, 2016. Troxell worked out with the Marines for an hour and held a question-and-answer session following the workout. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro