• Japan Self-Defense Force members set up a PAC-3 Patriot missile unit in case of a North Korean rocket launch at the Defense Ministry in Tokyo, Tuesday, June 21, 2016
  • A group of disputed islands, Uotsuri island (top), Minamikojima (bottom) and Kitakojima, known as Senkaku in Japan and Diaoyu in China is seen in the East China Sea (File)
  • In this photo, the battleship USS Arizona belches smoke as it topples over into the sea during a Japanese surprise attack on Pearl Harbor, Hawaii, December 7, 1941.
  • A man watches a TV broadcast of a news report on North Korea's ballistic missile test, at a railway station in Seoul, South Korea, July 4, 2017.
  • In this image released by the U.S. Navy, the aircraft carrier USS Carl Vinson, flanked by South Korean destroyers, from left, Yang Manchun and Sejong the Great, and the U.S.Navy's Wayne E. Meyer and USS Michael Murphy, transit the western Pacific Ocean Wednesday, May 3, 2017.
  • In this image released by the U.S. Navy, the aircraft carrier USS Carl Vinson, flanked by South Korean destroyers, from left, Yang Manchun and Sejong the Great, and the U.S.Navy's Wayne E. Meyer and USS Michael Murphy, transit the western Pacific Ocean Wednesday, May 3, 2017.
  • A man watches a TV news program reporting about North Korea's missile firing with a file footage, at Seoul Train Station in Seoul, South Korea, Saturday, April 29, 2017.
  • The long-range strategic ballistic rocket Hwasong-12 (Mars-12) is launched during a test in this undated photo released by North Korea's Korean Central News Agency (KCNA) on May 15, 2017.
  • North Korean leader Kim Jong Un reacts during the long-range strategic ballistic rocket Hwasong-12 (Mars-12) test launch in this undated photo released by North Korea's Korean Central News Agency (KCNA) on May 15, 2017.
  • North Korean leader Kim Jong Un inspects the defence detachment on Jangjae Islet and the Hero Defence Detachment on Mu Islet located in the southernmost part of the waters off the southwest front, in this undated photo released by North Korea's Korean Central News Agency (KCNA) on May 5, 2017
  • In this Saturday, April 15, 2017, photo distributed by the North Korean government, Polaris submarine launched ballistic missiles (SLBM) are paraded to celebrate the 105th birth anniversary of Kim Il Sung, the country's late founder, in Pyongyang, North Korea.
  • The aircraft carrier USS Carl Vinson (CVN 70)
  • In this photo taken June 25, 2014, an inert Minuteman 3 missile is seen in a training launch tube at Minot Air Force Base, N.D.
  • The guided missile cruiser Varyag of the Russian Pacific Fleet
  • The aircraft carrier USS Carl Vinson (CVN 70) transits the Pacific Ocean January 30, 2017
  • US soldiers gather during their drill at a military training field in the border city of Paju on March 7, 2017.
  • Islands called Dokdo in Korea and Takeshima in Japan are seen Friday, Aug. 10, 2012
  • This file picture taken on October 18, 2015 shows Japan's Maritime Self-Defense Force (MSDF) escort ship Kurama (L) sailing with other ships during a fleet review off Sagami Bay, Kanagawa prefecture
  • Rise and Shine
  • Naming an Ilyushin Il-38N May / Dolphin maritime patrol and anti-submarine warfare aircraft after Fyodor Zolotukhin