Two NASA astronauts to step outside International Space Station for 7 hours on June 30 | What we know

NASA astronauts Chris Williams and Jessica Meir are scheduled for a spacewalk to replace a faulty wrist joint on the International Space Station's Canadarm2 robotic arm. The mission is expected to last nearly seven hours and will restore the arm's full functionality.
Why it matters
Maintaining the robotic arm is critical for the ongoing operation and research capabilities of the International Space Station.
NASA astronauts Chris Williams and Jessica Meir are preparing for a spacewalk next week to repair a malfunctioning wrist joint on the Canadarm2 robotic arm aboard the International Space Station ( ISS ).
The report is a straightforward account of a scheduled space mission based on official NASA announcements.
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