What Happens If Russia Shuts The Door On Their Leaky ISS Module?

NASA and Roscosmos are navigating tensions regarding persistent air leaks in the Zvezda module of the International Space Station. Reports suggest Russia may choose to permanently seal off the leaking compartment to maintain station operations rather than attempting further repairs.
Why it matters
The ISS is a critical platform for international scientific cooperation, and its structural integrity is vital for the safety of the crew and the continuation of space research.
There was a particularly tense moment aboard the International Space Station earlier this month, with NASA directing their astronauts to secure themselves in the Dragon capsule and prepare for a potential return to Earth while their Russian counterparts engaged in what we now know to have been some impromptu demolition work on their side of the orbiting complex.
The article reports on technical and diplomatic challenges without taking a side, relying on available information regarding space agency operations.
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