3 min learnJun 6, 2026 03:16 PM IST
NASA, on Friday, June 5, directed astronauts aboard the Worldwide House Station (ISS) to take shelter inside a docked spacecraft as Russian engineers ready to analyze an air leak within the Russian section of the orbiting laboratory.
The precautionary directive got here after Russia’s area company stated that it was contemplating finishing up restore work on a bit of the ISS that has been a supply of air leaks for a number of years. NASA stated the proposed restore concerned reducing a bracket to realize higher entry to a suspected leak location, a step that might have posed extra structural dangers.
In consequence, NASA instructed astronauts to board a SpaceX Crew Dragon spacecraft and put together for a possible emergency evacuation if needed.
The astronauts who sheltered within the capsule included NASA astronauts Jessica Meir, Jack Hathaway and Chris Williams, European House Company astronaut Sophie Adenot, and Roscosmos cosmonaut Andrey Fedyaev. Two Russian cosmonauts remained on the station whereas restore actions had been being evaluated.
The emergency measure was short-lived. Roscosmos later paused the deliberate restore operation to conduct additional evaluation and accumulate extra knowledge. Following the choice, NASA lifted the shelter-in-place order and confirmed it supported the revised method.
The problem centres on a switch tunnel often known as PrK, which connects the Russian-operated Zvezda service module to a docking port. Air leaks had been first detected within the space in 2019 and have remained a recurring concern for each NASA and Roscosmos.
NASA spokesperson Bethany Stevens stated on X that the switch tunnel has skilled recurring points because of cracks and air leaks and that Roscosmos has been working for years to mitigate the issue. Stevens stated each businesses have been making an attempt to find out the basis reason for the cracks, whereas Russian specialists have relied on operational measures and periodic restore efforts to restrict air loss.
“We proceed to work with our Russian counterparts, together with the remainder of the worldwide group that helps the area station, to reach at a extra everlasting decision,” Stevens wrote.
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Following Roscosmos’ resolution to assemble extra knowledge earlier than continuing, NASA ended the safe-haven procedures and instructed crew members to return to regular operations aboard the ISS, Stevens added.
The incident underscores the challenges going through the ageing ISS, which has been constantly occupied since 2000. NASA plans to function the station till at the very least 2030, however considerations over ageing {hardware}, recurring upkeep points and Russia’s long-term position within the programme proceed to attract scrutiny.
Regardless of the newest incident, NASA and Roscosmos stated the leak doesn’t pose an instantaneous risk to crew security. Engineers from each businesses are persevering with to evaluate the affected space and consider choices for a extra everlasting restore.