NASA astronauts Christina Koch and Nick Hague prepared their spacesuits for their upcoming spacewalk. Spacewalk begins at 8:05 a.m. EST 13:05 GMT).
Expedition 59 Flight Engineers Nick Hague and Anne McClain of NASA are set to venture outside the International Space Stationâ€™s Quest airlock to replace nickel-hydrogen batteries with newer, more powerful lithium-ion batteries for the power channel on one pair of the stationâ€™s solar arrays.
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The batteries were transported to the station in September aboard the Japanese H-II Transfer Vehicle. The spacewalking work continues the overall upgrade of the stationâ€™s power system that began with similar battery replacement during spacewalks in January 2017.