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[b]ISS Expedition 74: U.S. Spacewalk 95[/b] NASA astronauts will perform a spacewalk outside the International Space Station on Tuesday, June 30, 2026. Expedition 74 crewmates Jessica Meir and Chris Williams will replace a wrist joint that malfunctioned during normal Canadarm2 operations on May 27 after the remote manipulator arm drew elevated motor current and did not move as expected. NASA worked alongside the Canadian Space Agency to understand the issue and determined a spacewalk was required to replace the joint using a spare already aboard the space station. Repairs to robotics, like Canadarm2, are normal and expected after more than 25 years of continuous operations, as the system was designed with replaceable components and planned maintenance in mind. This spacewalk will be the second for Williams and the fifth for Meir. Williams will serve as spacewalk crew member 1 and will wear a suit with red stripes. Meir will serve as crew member 2 and will wear an unmarked suit. It will be the 280th spacewalk in support of space station assembly, maintenance, and upgrades.
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