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Russian Spacewalkers Upgrade Space Station: Expedition 35 Photos

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Russian Cosmonauts Take Spacewalk: Expedition 35

Credit: NASA TV
Russian cosmonauts Roman Romanenko (bottom) and Pavel Vinogradov float outside the International Space Station on April 19, 2013, during the first spacewalk of their Expedition 35 mission. The two men will spend six hours upgrading the station's exterior experiments. [See full story.]