Embarrassment for Regime
Failure or not, knowledge was gained--and Iran was involved in Pyongyang's provocation, analysts say. North Korea's proliferation partner paid for the launch; Iranians observed the event.
It is only a matter of time before the North achieves its aims--consider how many failures the United States and the Soviet Union experienced before perfecting ICBMs and space rockets--and is able to credibly threaten the U.S.
In the meantime, the North will soon stage another nuclear test; and the failure, assuming the missile broke apart shortly after firing, could spur the regime to engineer an armed clash with South Korea--or the U.S.
UPDATE: Japan says the rocket fell into the sea just one minute after liftoff.