South Korean President Moon Jae-in, left, with his wife Kim Jung-sook, and Marine Corps Commandant Gen. Robert B. Neller, center, place their hands over their hard during the playing of national anthems for South Korea and the United States during a ceremony at the "Chosin Few Battle Monument," at the National Museum of the Marine Corps, Wednesday, June 28, 2017, in Triangle, Va. (AP Photo/Alex Brandon)