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首页宇航员壁纸 NASA astronaut Chris Williams uses a pistol grip tool during a spacewalk

NASA astronaut Chris Williams uses a pistol grip tool during a spacewalk

NASA astronaut Chris Williams uses a pistol grip tool during a spacewalk

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by NASA/JSC

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iss074e0788304 (June 30, 2026) --- NASA astronaut and Expedition 74 flight engineer Chris Williams uses a pistol grip tool during a spacewalk to repair the malfunctioning wrist joint on the International Space Station's Canadarm2 robotic arm. Williams, along with NASA astronaut and Expedition 74 flight engineer Jessica Meir (out of frame), spent seven hours and 20 minutes in the vacuum of space during the maintenance spacewalk. Credit: NASA

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