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NASA is live-streaming the Expedition 59 spacewalk online as astronauts Nick Hague and Christina Koch continue the work from a previous walk to install powerful lithium ion batteries on the International Space Station's solar arrays.
The mission was originally planned as the first all-female spacewalk with Christina Koch and Anne McClain, but spacesuit availability and shifting assignments forced them to reschedule as Nick Hague - who joined McClain on the last spacewalk on March 22 - took McClain's place.
Today's spacewalk, Expedition 59, began at 8:20 a.m. EST and is expected to last 6.5 hours. Koch is the 14th woman to perform a spacewalk after McClain became the 13th on March 22.