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LIVE VIDEO: Astronauts perform ISS repairs during spacewalks

Astronauts perform ISS repairs during spacewalks

In this image made from video provided by NASA, astronaut Rick Mastracchio performs a space walk outside the International Space Station on Saturday, Dec. 21, 2013.
In this image made from video provided by NASA, astronaut Rick Mastracchio performs a space walk outside the International Space Station on Saturday, Dec. 21, 2013.AP
By  MS NOW staff

MS NOW staff