Airlines

XCOR's Lynx Will Travel 62 Miles Above the Ground at Mach 3.5

Test flights scheduled for early 2013

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Since the last flight of the Concorde in 2003, supersonic travel has been the province of jet fighter pilots and Felix Baumgartner.

XCOR Aerospace wants to change that. Out of a group of outfits looking to bring back travel faster than the speed of sound, it has an especially intriguing idea: flying from one airport to another, via outer space.

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