It was appear today that the U.S. has deployed anti-missile defences about Hawaii in acknowledgment to the threat.
North Korea test-fired a agnate all-embracing missile on July 4 three years ago, but it bootless abnormal afterwards liftoff.
U.S. Defence Secretary Robert Gates said the added defences about Hawaii abide of a ground-based adaptable missile arrangement and a alarm arrangement nearby.
Together they could shoot an admission missile in mid air.
'Without telegraphing what we will do, I would aloof say... we are in a acceptable position, should it become necessary, to assure Americans and American territory,' Gates said today.
A fresh missile barrage - admitting not accepted to ability U.S. area - would be a audacious bang in the face of the all-embracing community, which punished North Korea with fresh U.N. sanctions for administering a additional nuclear analysis on May 25 in affront of a U.N. ban.
North Korea spurned the U.N. Security Council resolution with threats of war and pledges to aggrandize its nuclear bomb-making program.