Robotic arm breakdown adds spacewalk drama

Washington (AFP) Feb 28, 2011 Two US astronauts on Monday wrapped up the first spacewalk of the Discovery shuttle mission at the International Space Station after a robotic arm breakdown left one of them stranded for almost 20 minutes. “How much longer?” asked veteran astronaut Steve Bowen after the Robotic Work Station in the ISS’s Cupola, the central command post for robotic operations, shut down two hours into the wal


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