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The astronauts of Expedition 61 have tackled some historic spacewalks during their mission to the International Space Station. Not only did two NASA astronauts conduct the first all-woman spacewalk on Oct. 18, but two of their male compatriots completed some of the most challenging spacewalks in history to repair an ailing dark matter experiment known as the Alpha Magnetic Spectrometer. Click through this gallery for photos of the spacewalkers of Expedition 61 in action.
Expedition 61 Cmdr. Luca Parmitano of the European Space Agency assists NASA astronauts Andrew Morgan (left) and Christina Koch (right) in their U.S. spacesuits before a spacewalk on Oct. 6, 2019. During their spacewalk, Morgan and Koch replaced some old batteries on the space station's solar arrays.
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NASA astronauts Andrew Morgan (left) and Christina Koch (right) are suited up inside the Quest airlock before beginning a 7 hour-long spacewalk on Oct. 6, 2019.
NASA astronaut Andrew Morgan works to replace old nickel-hydrogen batteries with new lithium-ion batteries during his second spacewalk with fellow NASA astronaut Christina Koch on Oct. 11, 2019. During that spacewalk, Morgan and Koch paid tribute to cosmonaut Alexei Leonov, the world's first spacewalker, who died that same day.
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Christina Koch (left) and Andrew Morgan work while tethered on the Port 6 truss segment of the International Space Station to replace older hydrogen-nickel batteries with newer, more powerful lithium-ion batteries during the six-hour and 45-minute spacewalk, on Oct. 11, 2019.
NASA astronauts Christina Koch and Jessica Meir prepare for their first spacewalk together on Oct. 18, 2019, to replace a failed power controller on the International Space Station's P6 truss structure.
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NASA astronauts Christina Koch (left) and Jessica Meir fist bump each other during a spacesuit fit check on Oct. 12, 2019.
NASA astronauts Jessica Meir (left) and Christina Koch pose together during a spacesuit fit check...
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