One-on-One Mentoring Army Command Sgt. Maj. John W. Troxell, left, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, talks with Marine Corps Sgt. Matthew Bragg after a morning physical training session at Camp H.M. Smith, Hawaii, Feb. 10, 2016. Bragg is a mass communicator assigned to U.S. Marine Corps Forces, Pacific. Marine Corps photo by Sgt. Erik Estrada SHARE: Download: Full Size (1.76 MB) Tags: marines, john w. troxell, camp h.m. smith, hawaii, pt, seac, sailors Credit: Sgt. Erik Estrada VIRIN: 160210-M-QQ799-276.JPG Photo Gallery