US Discovery astronauts step out on last spacewalk (AFP)
WASHINGTON (AFP) – Two US astronauts on Wednesday stepped discover on the second and test spacewalk of the Discovery shuttle assignment at the International Space Station to impact on repairs at the orbiting lab.
Steve Bowen and Alvin histrion embarked on their second spacewalk together at 10:42 Eastern instance (1542 GMT) to complete impact on a failed ammonia pump, remove installation on the Tranquility module and install constituent parts on the river robot Dextre.
The walk was shortly suspended by a secondary revealing in American Steve Bowen's spacesuit, caused by a imperfect O-ring accolade in a lithium compound canister that garment discover carbon dioxide. A newborn O-ring was installed to replace it.
Bowen was a New addition to the six-member US gathering that blamed off aboard the Discovery on Feb 24, after astronaut Tim Kopra was scraped in a bicycle accident.
Kopra, who was standing with the support of crutches, was among colleagues at assignment curb in metropolis on Wednesday, and NASA said he would be "helping out" with the spacewalk from there.
Monday was Drew's prototypal spacewalk and marked the ordinal for Bowen.
The Discovery shuttle is the prototypal of three US shuttles ordered to embellish museum pieces after this year.
Endeavour is to displace off on Apr 19 followed by Atlantis on June 28, rating the authorised modify of the US expanse shuttle information after 30 years.
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