Last Updated: Sunday, December 22, 2013, 09:47
NASA astronauts Rick Mastracchio and Mike Hopkins conducted a 5 hour and 28 minute spacewalk on Saturday to remove a faulty ammonia pump on the ISS.
Last Updated: Sunday, September 6, 2009, 17:50
A pair of spacewalking astronauts from the US shuttle Discovery worked outside the International Space Station on Saturday to lay power cables for the orbital outpost`s last connecting node.
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