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The possible path of the N. Korean launch, passing over Japan. First stage will drop into the Sea of Japan (Video still courtesy of Analytical Graphics, Inc. www.agi.com)
Some time between April 4th-8th, North Korea will launch a communications satellite into orbit. Unsurprisingly there is huge scepticism being voiced by Japan, South Korea and the United States that the secretive military nation is in fact carrying out a test-launch of the Taepodong-2 ballistic missile system, mounting a “peaceful” satellite to disguise its real intention. If the world’s suspicions are correct, if successful, North Korea will have a means to deliver a possible nuclear strike as far as Hawaii or Alaska. Now the North Korean army has warned that if the launch is interfered with, they will attack “major targets” in Japan.
Oh dear, it sounds like it’s going to be a rough few days in the west Pacific…

A visualization of fairing separation after N. Korean rocket clears the atmosphere (Video still courtesy of Analytical Graphics, Inc. www.agi.com)
Unfortunately, North Korea has not proven itself to be a particularly “open” nation, so there is huge doubt that one of the nations in the “Axis of Evil” (a phrase coined by George W. Bush in his State of the Union Address on January 29, 2002) is simply deploying a peaceful satellite. N. Korea has long been developing chemical, biological and nuclear weapons, but any attempt by international inspectors to understand the scope of these claims have been unsuccessful. Also, previous rocket tests have provoked international outrage as they are seen as obvious attempts to intimidate neighbouring countries (principally Japan and South Korea) and demonstrated the nation is working on more sophisticated means to increase their military reach.

The satellite-carrying rocket will be directed to fly over Japan (Video still courtesy of Analytical Graphics, Inc. www.agi.com)
The US and regional allies will push for more sanctions will be put into place, further damaging international relations with North Korea. However, having signed an international space exploration treaty, North Korea appears to be hoping China and Russia will block any sanctions after launch, even though the launch directly violates the UN resolution. Russia has even urged North Korea’s neighbours not to take military action against the rocket launch.
Like most actions threatened by Pyongyang, we’ll just have to wait and see what happens, but this is certainly a volatile situation…
Source: Space War