Two American companies reach space milestones

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Two American companies reach space milestones

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Two American companies reach space milestones

by CBSTV Videos 1:44 mins

SpaceX and Orbital Sciences Corporation are two American companies who've reached a milestone for space exploration. SpaceX launched a test flight rocket that it hopes to transport astronauts to space with. Orbital Sciences Corporation successfully docked its first-ever cargo ship, Cygnus, to the International Space Station. Jeff Glor reports.

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