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A North Korean Taepodong-class missile is displayed during a military parade past Kim Il-Sung square marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013.  North Korea mounted its largest ever military parade on July 27 to mark the 60th anniversary of the armistice that ended fighting in the Korean War, displaying its long-range missiles at a ceremony presided over by leader Kim Jong-Un.  AFP PHOTO / Ed Jones        (Photo credit should read Ed Jones/AFP/Getty Images)
A North Korean Taepodong-class missile is displayed during a military parade past Kim Il-Sung square marking the 60th anniversary of the Korean war armistice in Pyongyang on July 27, 2013.  North Korea mounted its largest ever military parade on July 27 to mark the 60th anniversary of the armistice that ended fighting in the Korean War, displaying its long-range missiles at a ceremony presided over by leader Kim Jong-Un.  AFP PHOTO / Ed Jones        (Photo credit should read Ed Jones/AFP/Getty Images)

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What North Korea's battle readiness means

North Korea has moved some of its jets to the east coast, showing military preparedness for battle. CNN's Paula Hancocks reports on what that means.

What North Korea's battle readiness means

North Korea has moved some of its jets to the east coast, showing military preparedness for battle. CNN's Paula Hancocks reports on what that means.