Elizabeth Howell (she/her), Ph.D., is a staff writer in the spaceflight channel since 2022 covering diversity, education and gaming as well. She was contributing writer for Space.com for 10 years before joining full-time.
NASA cancelled a spacewalk at the International Space Station today following a spacesuit coolant leak in the hatch.astronauts Tracy Caldwell Dyson and Mike Barratt were told by Mission Control at 8:52 a.m. EDT to stop the planned 6.5-hour. The pair had already switched over to the internal power in their suits at 8:46 a.m. , meaning the spacewalk had technically started. Following the cancellation, astronauts opened the hatch into the ISS at 9:51 a.m. EDT , officially ending the spacewalk.
The total length of the spacewalk was 31 minutes, based on the time that elapsed between switching the suits to internal power and repressurizing the crew airlock. That brings Tracy Dyson's total EVA time to 23 hours and 20 minutes across four spacewalks, and Mike Barratt's total time to 5 hours and 37 minutes across three EVAs.
"The spacewalk for today has been canceled due to a space suit cooling unit water loop leak that began right after the suits were put on internal battery power," an announcer on NASA Television said shortly after the spacewalk was canceled."The crew is now moving back into the airlock and closing ... the hatch, then they will begin the repressurization process."
Dyson added later she would remain on spacesuit battery power, as she was worried about the water leak affecting the umbilical connectors to the ISS. Mission Control told her there likely would not be an issue, but said she could remain on battery power if she liked.
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