NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
ISS space walk. Mission specialist Rick Linnehan during the third extravehicular activity (EVA) of mission STS-123 (11th March to 27th March 2008). During this EVA the astronauts finished assembling and calibrating the Special Purpose Dextrous Manipulator (SPDM), or Dextre, the final element of the Mobile Servicing System (MSS).
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