NASA has planned a spacewalk for astronauts on International Space Station (ISS) to replace failed data relay box outside space station. NASA astronauts Peggy Whitson and Shane Kimbrough had installed this multiplexer/demultiplexer (MDM) device on March 30 during her spacewalk. Shane Kimbrough, then-flight engineer, has now returned to Earth. Tuesday’s spacewalk repair will be accomplished […]
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