Marine Corps Gen. Joseph F. Dunford, the chairman of the Joint Chiefs of Staff, speaks with Airmen at Yokota Air Base, Japan, Nov. 4, 2015. Dunford spent two days in Tokyo visiting members of the Japan Self-Defense Force as well as members of Team Yokota while witnessing their mission first-hand. (U.S. Air Force photo by Staff Sgt. Cody H. Ramirez/Released)