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Fri November 18, 2011
Army Successfully Tests Hypersonic Missile
On Thursday, the U.S. military successfully tested a new hypersonic missile. The missile flies at eight times the speed of sound with a range measured in the thousands of miles. That allows the missile to hit a target anywhere on earth in less than an hour. Guy Raz talks with Noah Shachtman of Wired.com about how the Army's Advanced Hypersonic Missile works.