Marine Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, departs a meeting with the United States Ambassador to the United Nations, Ambassador Samantha Power during his first visit with the United Nations since becoming Chairman in New York June 17, 2016. While at the United Nations, Gen. Dunford attended and spoke during a UN meeting on peacekeeping. (Dept. of Defense Photo by Navy Petty Officer 2nd Class Dominique A. Pineiro)