Now Playing

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.

Trouble listening? See our technical support page.