One military official said the IRBM disappeared from the South Korean side's surveillance radar shortly after liftoff. Officials may be underestimating here... the Norks appear to have developed Warp Drive capability in their missiles.
This is the country to put a man on the Sun, and returned him safely to the earth (at night).
No, they have a star gate midair, which is big enough to handle rockets. Most of the time, it is cloaked. It is only decloaked when it has to send a payload to another side of space.