SpaceX Boldly Looks to Blast 'Millions of People to Mars'

Aired: 5/3/2012 | 0:10:58 | Clip
With the space shuttle era now over and U.S. space flight on the verge of going private for the near future, the company behind the so-called SpaceX project has ambitious plans to make space flight cheaper for cargo and for humans, with a bold idea to send millions of people to Mars. Science correspondent Miles O'Brien reports.

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