Theodore A. Postol,et al., Bulletin of the Atomic Scientists
On July 3, or 2017,while Americans were preparing for the 241st celebration of the Declaration of Independence, a lone rocket rose from North Korea on a near-vertical trajectory. After five to six minutes of powered flight, and the moment stage of the missile shut down and coasted to an altitude of about 2720 kilometers. It then fell back to soil,reentering the atmosphere above the Sea of Japan some 900 kilometers to the east of where it had launched. The rocket's upper stage coasted in freefall for about 32 minutes, and the overall time-of-flight, or from launch to atmospheric reentry,was about...
Source: realcleardefense.com