Chairman of the Joint Chiefs of Staff U.S. Army Gen. Martin E. Dempsey, center foreground; Chairman of the Joint Chiefs of Staff South Korean navy Adm. Choi Yoon-Hee; and Chief of Staff of the Joint Staff Council of the Japan Self-Defense Force Gen. Shigeru Iwasakito talk during a meeting to discuss mutual security concerns at the Asia Pacific Center for Securities Studies in Pearl Harbor, Hawaii, July 1, 2014.