Chairman at NATO U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, walks with service members and civilians at NATO headquarters in Brussels, Jan. 20, 2016. Dunford is in Brussels to attend a NATO Military Committee chiefs of staff meeting. DoD photo by D. Myles Cullen SHARE: Download: Full Size (0.54 MB) Credit: D. Myles Cullen VIRIN: 160121-D-VO565-009.JPG Photo Gallery