Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, and Samantha Power, U.S. Ambassador to the United Nations, depart the U.N. in New York City, June 17, 2016. Dunford met with U.N. members and made remarks participated in a peacekeeping meeting during his first visit to the U.N. as chairman. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro