Space X and Boeing Compete to Build NASA 'Space Taxi'
Sep 12, 2014 02:55 PM EDT
Ever since NASA retired the Space Shuttle three years ago, the United States has had to arrange for Russian rockets to deliver American astronauts to the International Space Station (ISS). While the current method wasn't meant to be permanent, recent political differences between the U.S. and Russia have only accelerated the long-term plane: space taxis.
