U.S. Marine Corps Gen. Joe Dunford, the chairman of the Joint Chiefs of Staff; his wife, Ellyn; Army Command Sgt. Maj. John W. Troxell, the Senior Enlisted Advisor to the Chairman; and his wife, Sandra; lead the 2016 Chairman's USO Tour visiting troops at Incirlik Air Base, Turkey, Dec. 5, 2016. The tour features actors Scarlett Johansson and Chris Evans; Olympic gold medalist Maya DiRado; mentalist/entertainer Jim Karol; country music star Craig Campbell and NBA legend Ray Allen. (DoD Video by U.S. Army Sgt. James K. McCann)
