Deanie Dempsey greets the USO volunteers during the

Deanie Dempsey greets the USO volunteers during the Holiday Troop Visit, USO tour on Bagram Air Force Base, Dec. 9, 2013. The 2013 USO Chairman's Holiday Tour is a seven-stop, four-country troop visit led by Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey. This year's tour includes "Duck Dynasty" stars Willie and Jep Robertson, Washington Nationals first baseman Adam LaRoche, Grammy-winning singer and song writer Bridget Kelly, former New England Patriots offensive tackle and three-time Super Bowl champion Matt Light, actor and comedian Thomas "Nephew Tommy" Miles and former correspondent for the NBCs "The Voice" Alison Haislip. The USO tour travels to various location throughout Afghanistan to boost morale and esprit de corps for troops that are currently serving overseas. (U.S. Army photo by Staff Sgt. Rachel M. Copeland / Released)