Out in Front Army Command Sgt. Maj. John W. Troxell, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, carries ammo cans during a morning physical training session with sailors and Marines at Camp H.M. Smith, Hawaii, Feb. 10, 2016. Marine Corps photo by Sgt. Erik Estrada SHARE IMAGE: Download Image: Full Size (3.07 MB) Tags: John W. Troxell, CAMP H.M. SMITH, PT , Sailors, SEAC, Hawaii, MARINES Photo By: Sgt. Erik Estrada VIRIN: 160210-M-QQ799-060.JPG Photo Gallery