CSM John W. Troxell, Senior Enlisted Advisor to the Chairman of the Joint Chiefs of Staff (SEAC), does a pushup during a morning physical training session with Marines from Marine Corps Forces, Pacific, Feb. 10, 2016. Troxell worked out with the Marines for an hour and answered questions any of them had. He is the third service member to become the SEAC. ( Marine Corps photo by Sgt. Erik Estrada)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
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Keywords: chiefs, csm, hawaii, joint, maj., marforpac, marines, mckenna, oahu, sgt., staff, troxell