Intl Space Station crewmembers conduct spacewalk

Expedition 48 Commander Jeff Williams and Flight Engineer Kate Rubins of NASA are conducting a spacewalk outside of the International Space Station. Williams and Rubins will retract a thermal radiator that is part of the station’s cooling system. They’ll also tighten struts on a solar array joint, and install a high-definition television camera that will be used to monitor activities outside the station.

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