NASA astronauts complete spacewalk to prep for SpaceX, Boeing vehicles

The first commercial spacecraft aren't expected to arrive at the International Space Station until 2017, but the ISS crew is already hard at work preparing for their arrival.

Two U.S astronauts completed the first of three spacewalks Saturday, part of an extensive rewiring mission meant to make the International Space Station ready for the arrival of SpaceX and Boeing's commercial vehicles

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#Selfie from space! #AstroButch from today's #spacewalk@AstroTerry can be seen in the reflection of his visorhttp://ift.tt/19U4scX

— NASA (@NASA) February 22, 2015 Read more...

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