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https://onerazz.com/2020/06/26/early-friday-nasa-astronauts-chris-cassidy-and-robert-behnken-began-a-spacewalk-outside-of-the-international-space-station-to-replace-lithium-ion-batteries-for-one-of-the-stations-power-channels-i/
Early Friday, NASA astronauts Chris Cassidy and Robert Behnken began a spacewalk outside of the International Space Station to replace lithium ion batteries for one of the station's power channels. It is expected to last for about seven hours. https://t.co/aJZBmqhF4b