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iss061e003293 (Oct. 6, 2019) --- NASA astronaut Andrew Morgan conducts a spacewalk at the Port- 6 (P6) truss structure work site to upgrade International Space Station power systems. He was photographed by fellow NASA astronaut Christina Koch as they worked outside in the vacuum of space for seven hours and one minute to begin the latest round of upgrading the station's large nickel-hydrogen batteries with newer, more powerful lithium-ion batteries.
