U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, gives U.S.Air Force Tech. Sgt. Scott Douglass a coin with his handshake during the USO Holiday Troop Visit on Royal Air Force Mildenhall, England, Dec. 10, 2014. USO traditionally partners with senior leaders and celebrity entertainers to visit troops serving abroad during the holiday season. Douglass is an assistant flight chief assigned to the 48th Equipment Maintenance Squadron. U.S. Army Gen. Martin E. Dempsey, left, chairman of the Joint Chiefs of Staff, gives U.S.Air Force Tech. Sgt. Scott Douglass a coin with his handshake during the USO Holiday Troop Visit on Royal Air Force Mildenhall, England, Dec. 10, 2014. USO traditionally partners with senior leaders and celebrity entertainers to visit troops serving abroad during the holiday season. Douglass is an assistant flight chief assigned to the 48th Equipment Maintenance Squadron. SHARE: Download: Full Size (1.68 MB) Tags: Photo Essays Credit: VIRIN: 363015-V-FVL65-406.jpg Photo Gallery