NASA astronaut Andrew Morgan is seen here tethered to the Starboard-3 truss segment work site during the second spacewalk to repair the International Space Station‘s cosmic particle detector, the Alpha Magnetic Spectrometer. During the 6.5 hour spacewalk, Morgan and Station Commander Luca Parmitano of the European Space Agency the two successfully cut eight stainless steel tubes, including one that vented the remaining carbon dioxide from the old cooling pump. The crew members also prepared a power cable and installed a mechanical attachment device in advance of installing the new cooling system.
This work clears the way for Parmitano and Morgan’s next spacewalk in the repair series Monday Dec. 2. The plan is to bypass the old thermal control system by attaching a new one off the side of AMS during the third spacewalk, and then conduct leak checks on a fourth spacewalk.
Image Credit: NASA
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