Space station leaks trigger delay to private astronaut mission
WASHINGTON - Nasa indefinitely delayed a four-person crew's mission to the International Space Station (ISS) on June 12 over an escalating probe into air leaks aboard the orbiting laboratory's Russian segment.
The US space agency said it was working with Roscosmos, Russia's space agency, to 'understand a new pressure signature' detected by cosmonauts in the Zvezda Service Module, a more than two-decade-old core compartment that for months has sprung small leaks.
'Cosmonauts aboard the space station recently performed inspections of the pressurised module's interior surfaces, sealed some additional areas of interest, and measured the current leak rate,' Nasa said, in a statement.
'Following this effort, the segment now is holding pressure.'
The agency did not immediately respond to questions on what the leak rate was.
Small cracks on the ISS in recent years, particularly on the ageing Russian segment, have contributed to the international partnership's decision to retire the ISS by 2030.
Leaks of air from the cracks have been minor and posed no immediate safety threats to the station's astronauts but are increasingly worrisome signs of ageing that Nasa and Roscosmos have been investigating, while having crew members patch the leaks with tape, glue and other solutions. REUTERS
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