Endeavour astronaut Robert Behnken works on the maintenance robot Dextre at the ISS during a March 17, 2008 spacewalk high above Earth, the third of NASA's STS-123 mission. Credit: NASA TV.
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Endeavour astronaut Robert Behnken works on the maintenance robot Dextre at the ISS during a March 17, 2008 spacewalk high above Earth, the third of NASA's STS-123 mission. Credit: NASA TV. |
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