In this photo provided by South Korea Defense Ministry, South Korea's Hyunmoo II Missile system, left, and U.S. Army Tactical Missile System, right, fire missiles during the combined military exercise between the two countries against North Korea at an undisclosed location in South Korea, Saturday, July 29, 2017. North Korean leader Kim Jong Un said Saturday the second flight test of an intercontinental ballistic missile demonstrated his country can hit the U.S. mainland, hours after the launch left analysts concluding that a wide swath of the United States, including Los Angeles and Chicago, is now in range of North Korean weapons. (South Korea Defense Ministry via AP)