Manish Purohit

ISS is leaking.

1. A leak in a section of the Russian Zvezda module is rated to the highest level of risk in its risk management system.
2. The leak is in a vestibule of the service module known as PrK that separates a docking port from the rest of the module
3. The leak was first detected in 2019 but had recently doubled to nearly 1.7 kilograms per day.
4. The root cause of the leaks is internal and external welds.
5. If the leak worsens, it will lead to loss of a docking port used by Progress and Soyuz spacecraft