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NASA Announces Successful Completion of ISS Spacewalk

byKristin Houser
3. 29. 19
NASA

The nearly seven-hour-long spacewalk went off without a hitch.

ISS Success

It wasn’t the spacewalk that was planned, but it was a success nonetheless.

On Friday, NASA astronauts Nick Hague and Christina Koch left the relative safety of the International Space Station’s (ISS) interior to embark on a nearly seven-hour-long spacewalk that wrapped up at 2:27 p.m. EDT.

Substitute Spacewalker

Astronaut Anne McClain was originally supposed to join Koch on this ISS spacewalk, which would have made it the first to feature only female astronauts.

A last-minute equipment issue led to Hague filling in for his colleague, but Koch’s participation in the walk is still worth celebrating — she’s now just the fourteenth woman to take part in a spacewalk.

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Battery Swap

During the spacewalk — ISS’s 215th to date — the duo replaced the six nickel-hydrogen batteries that previously powered one pair of the ISS’s solar arrays with three more powerful lithium-ion batteries.

They also completed several other tasks designed to facilitate future upgrades, according to a NASA news release.

READ MORE: NASA Astronauts Complete 215th Spacewalk at Station [NASA]

More on spacewalks: NASA Cancels First All-Female Spacewalk

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