U.S. Defense Secretary Ash Carter said on Wednesday he did not know if North Korea's latest missile test was a success, but it flew further than past attempts and showed the need to step up defenses in South Korea, the United States and Japan.
North Korea launched what appeared to be an intermediate-range missile on Wednesday to a high altitude in the direction of Japan before it plunged into the sea, military officials said, an advance after several test failures, including one two hours earlier.
Speaking with reporters at Fort Knox, Kentucky, Carter acknowledged that one of the two missiles fired "flew for a long time."
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