NASA warns of potential ‘catastrophic failure’ on leaking ISS — but Russia doesn’t want to fix it

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NASA warns of potential ‘catastrophic ********’ on leaking ISS — but Russia doesn’t want to fix it

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Credit: NASA

The International Space Station (ISS) is leaking — and major space agencies are divided over what to do about it.

The ***** is located in a Russian segment of the station known as a PrK module, which connects Russia’s Zvezda service module to the space station’s main body. NASA and Russian space agency Roscosmos have

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, but its underlying cause ******** a mystery. Since its discovery, cosmonauts have taken various steps to minimize its impact, including sealing off the segment when it is not in use. But Roscosmos and NASA now disagree about the *****’s severity.

According to a

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, the ***** has intensified to the point where it poses a risk to the ISS’s goal of operating until 2030. What’s more, some NASA officials believe it could lead to “a catastrophic ********” of the station,

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, the chair of the agency’s ISS Advisory Committee, said during a public meeting.

However, Russian space officials have downplayed the severity of the *****, insisting that it will not jeopardize future ISS operations, according to

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.

The ISS has been continuously occupied since November 2000. Most of its infrastructure is a quarter-century old, and it is possible that years of mechanical stress have caused tiny fissures to form in the walls of certain sections. Additional stress from

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and micrometeors could also have contributed to the perforation.

Related: NASA offers SpaceX $843 million to ******** the International Space Station

NASA and Roscosmos have agreed to seal off the leaky segment if the rate of air loss becomes “untenable.” But they have not yet reached a consensus on what, exactly, qualifies as an untenable rate. Currently, air is escaping at a rate of around 2 to 2.5 pounds (0.9 to 1.1 kilograms) per day above the space station’s equilibrium, according to NASA. In April, it briefly spiked to 3.7 pounds per day (1.7 kg); if left unchecked, it could spike again.

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The agencies are reportedly working closely with one another to monitor the situation as it unfolds. And NASA plans to add an extra seat — called a “pallet seat” — aboard future SpaceX Crew Dragon spacecraft in case any astronauts need to evacuate.

“The station is not young,” NASA astronaut

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said during

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. “We will expect to see more wear and tear in various other places.”

The space station is expected to operate through to 2030, after which it will be deorbited into Earth’s atmosphere for a fiery farewell. NASA currently has no plans to build a replacement for the ISS and instead will focus on crewed missions to the moon and Mars,

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