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ISS Air Leak Remains Unresolved

Recent repairs to the ISS Russian segment have not fully sealed the persistent air leak.

July 31, 2025 at 08:10 PM

The Space Station’s Russian Segment Won’t Stop Leaking Air

The ongoing air leak in the Russian segment of the ISS poses serious challenges for mission success.

Air Leak Continues to Problematic for the International Space Station

The International Space Station faces persistent challenges due to an air leak in its Russian segment. Despite recent repairs that temporarily seemed to succeed, observations confirm the leak continues. Sergey Krikalyov, an executive at Roscosmos, announced that attempts to seal the leak have slowed its rate, but it remains unresolved. Reports indicate that the leak originates from the vestibule connecting a docking port to the Zvezda module. Over time, the air leakage has increased significantly, leading to elevated concerns from NASA. The agency is considering extreme measures, like permanently closing the hatch to the affected module if repairs do not stabilize the situation.

Key Takeaways

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Air leak on ISS persists despite repairs

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Roscosmos confirmed the leaks still continue

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NASA raised concerns after observing increased air loss

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Pressure signals once suggested repairs were effective

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Closure of the Russian hatch could impact docked missions

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International coordination between NASA and Roscosmos is crucial

"The leak is ongoing."

This quote highlights the continuing struggle to fully seal the air leak in the ISS.

"It is important for all of us to make sure that such situations do not arise at future stations."

Krikalyov emphasizes the need to prevent similar issues in upcoming space missions.

The ongoing air leak exemplifies communication challenges between NASA and Roscosmos. As both agencies struggle to determine the cause behind the leak, operational decisions are complicated. The increasing rate of air loss raises significant safety and operational concerns, particularly as the ISS plays a critical role in international collaboration and research in space. If the issue continues unresolved, it could alter future missions and operational strategies.

Highlights

A tough leak to seal challenges the ISS crew daily.
The air leak problem on the ISS could change mission dynamics.
Not all repairs bring a permanent solution among the stars.
Every effort counts in keeping the ISS operational.

Ongoing Air Leak Presents Risks to ISS Operations

The continuous air leak in the ISS raises safety concerns for current and future missions, challenging international cooperation on space exploration.

The situation remains delicate as space agencies aim for a flawless operation in orbit.

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internationalspacestation roscosmos nasa spacetechnology airleak science space technology

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