NASA and Roscosmos disagree on cause and severity of ISS air leak
WASHINGTON — NASA and Roscosmos continue to disagree on the cause and severity of an air leak in the Russian segment of the International Space Station, one that NASA worries could lead to a “catastrophic failure” of part of a Russian module.
That disagreement was brought to light during a brief meeting of NASA’s ISS Advisory Committee Nov. 13, which recounted a meeting of that committee with its Roscosmos counterpart in Moscow in September to discuss issues with the station.
The major concern has been a small but persistent leak in a vestibule of the Zvezda service module called PrK that separates a docking port from the rest of the module. That leak has existed for several years, and station crews have dealt with the leak by sealing off PrK from the rest of the station when they...