A photo of a mobile, long-range missile launcher, which has alarmed the Pentagon, is displayed on a picture board in front of the North Korean embassy in Beijing on March 22, 2013. China is willing to promote dialogue between North and South Korea as stability on the Korean peninsula is also in China's best interest, President Xi Jinping told his South Korean counterpart this week. Beijing is North Korea's sole diplomatic and economic ally, but relations have been strained by Pyongyang's bellicose actions and threats to the United States and South Korea. UPI/Stephen Shaver | License Photo
The Post said the KN-08 missile is untested and North Korea has not demonstrated the ability to reach the U.S. mainland with the weapon.