U.S. Defense Secretary Jim Mattis, centre, links hands with South Korean Minister of Dense Han Minkoo, left, and Japan's Minister of Defense Tomomi Inada, right, ahead of a trilateral meeting at the 2017 International Institute for Strategic Studies (IISS) Shangri-la Dialogue, and annual defense and security forum in Asia, on Saturday, June 3, 2017 in Singapore.
U.S. Defense Secretary Jim Mattis, centre, links hands with South Korean Minister of Dense Han Minkoo, left, and Japan's Minister of Defense Tomomi Inada, right, ahead of a trilateral meeting at the 2017 International Institute for Strategic Studies (IISS) Shangri-la Dialogue, and annual defense and security forum in Asia, on Saturday, June 3, 2017 in Singapore.