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Tag: Secondary Power Distribution Assembly

  • International Space Station US EVA 26 complete

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    by

    ChrisDMarshall
    in

    Earlier today Astronauts Rick Mastracchio and Steve Swanson stepped outside the International Space Station for a 1h 36m spacewalk to replace a failed Multiplexer/Demultiplexer (MDM) unit.  In addition they completed a get-ahead task to remove two lanyard’s from the Secondary Power Distribution Assembly SPDA doors, this will allow the Special Purpose Dexterous Manipulator attachment of the Canadarm2 to…