Marine Corps Gen. Joseph F. Dunford Jr., 19th chairman of the Joint Chiefs of Staff, speaks with Lt. Gen. Bernie Champoux, commanding general 8th U.S. Army/ Chief of Staff United Nations command, during a trip to the Demilitarized Zone, in the Republic of Korea, Nov. 2, 2015. (DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro)