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On Sunday, Oct. 6, NASA astronauts Andrew Morgan and Christina Koch ventured outside the International Space Station for a 7 hour, 1 minute-long spacewalk. The duo exited the station’s Quest airlock in their U.S. spacesuits and began installation of new lithium-ion batteries on the Port-6 truss structure. This was the first in a series of five planned spacewalks to complete the battery installation.