Chairman of the Joint Chiefs of Staff Marine Corps Gen. Joe Dunford and his senior enlisted advisor, Army Command Sgt. Maj. John W. Troxell, speak to the troops before the USO show at al Udeid Airt Base, Qatar, Dec. 6, 2016. DoD photo by Jim Garamone

Photo by: DoD |  VIRIN: 161206-D-FN340-001.JPG