Pallab Ghosh
Science correspondent
If the air leak in the Zvezda service module continues to worsen, the ISS crew has a clear emergency exit plan — but it involves splitting up across two separate spacecraft.
Five of the seven crew members are currently sheltering inside the docked SpaceX Crew Dragon “Freedom” spacecraft as a precautionary measure.
Nasa has directed Crew-12 astronauts Jessica Meir, Jack Hathaway, Sophie Adenot and Andrey Fedyaev to take refuge there, along with Nasa astronaut Chris Williams.
They have been told to put on their spacesuits so they are ready to undock and return to Earth at short notice. The
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