U.S. Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, U.S. Secretary of Defense Ash Carter, Republic of Korea Minister of Defense Minkoo Han and Republic of Korea chairman of the Joint Chiefs of Staff Army Gen. Lee Soon-Jin, attend an honor guard ceremony at the Joint Chiefs of Staff headquarters in Daejeon, Republic of Korea, Nov. 2, 2015. (DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro)