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A military vehicle carries what is believed to be a Taepodong-class missile Intermediary Range Ballistic Missile (IRBM), about 20 meters long, during a military parade to mark the 100 birth of the country's founder Kim Il-Sung in Pyongyang on April 15, 2012. The commemorations came just two days after a satellite launch timed to mark the centenary fizzled out embarrassingly when the rocket apparently exploded within minutes of blastoff and plunged into the sea.    AFP PHOTO / PEDRO UGARTE (Photo credit should read PEDRO UGARTE/AFP/Getty Images)
A military vehicle carries what is believed to be a Taepodong-class missile Intermediary Range Ballistic Missile (IRBM), about 20 meters long, during a military parade to mark the 100 birth of the country's founder Kim Il-Sung in Pyongyang on April 15, 2012. The commemorations came just two days after a satellite launch timed to mark the centenary fizzled out embarrassingly when the rocket apparently exploded within minutes of blastoff and plunged into the sea.    AFP PHOTO / PEDRO UGARTE (Photo credit should read PEDRO UGARTE/AFP/Getty Images)

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    How far can a North Korean missile reach?

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How far can a North Korean missile reach?

U.S. officials say North Korea has been developing its mobile ballistic missile arsenal. Some of these missiles could reach as far as the U.S. capital.

How far can a North Korean missile reach?

U.S. officials say North Korea has been developing its mobile ballistic missile arsenal. Some of these missiles could reach as far as the U.S. capital.