The senior most military officers of the U.S., Japan and South Korea gather for a trilateral meeting at U.S. Pacific Command's headquarters at Camp H.M. Smith, Hawaii, Oct. 29, 2017. The session was the fifth of its kind since July 2014. Attending were, from left, facing camera: Army Gen. Vincent K. Brooks, U.S. Forces Korea commander; Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff; Japan Maritime Self-Defense Force Adm. Katsutoshi Kawano, Japan Self-Defense Force chief of staff; and second from left, facing away from camera: South Korean Air Force Gen. Jeong Kyeong-doo, chairman of the South Korean Joint Chiefs of Staff; Navy Adm. Harry Harris, U.S. Pacific Command commander; and Air Force Lt. Gen. Jerry P. Martinez, U.S. Forces Japan commander. DoD photo by Navy Petty Officer 1st Class Dominique A. Pineiro