Dunford USO Tour Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, talks with service members and their families before the start of the USO Holiday Tour show on Ramstein Air Base, Germany, Dec. 9, 2015. DoD photo by D. Myles Cullen Dunford and entertainers with the 2016 USO Holiday Tour are again journeying to various locations to visit U.S. service members deployed overseas. SHARE IMAGE: Download Image: Full Size (1.09 MB) Tags: USO , Dunford , Ramstein , All images, CJCS, Chairman, Joint Chiefs Photo By: D. Myles Cullen VIRIN: 151209-D-VO565-019.JPG Photo Gallery