NASA astronauts Jessica Meir and Christina Koch conducted the first spacewalk performed by two women on Friday, Oct. 18, 2019.

They will be replacing a faulty battery charge/discharge unit that failed to activate after a spacewalk Oct. 11. The faulty unit is preventing a set of recently installed batteries from providing increased power. It must be replaced before continuing a series of spacewalks to install new batteries.

Watch live coverage here on NASA TV and nasa.gov/live Friday beginning at 6:30 a.m. Eastern. The spacewalk is scheduled to begin at about 7:50 a.m.

NASA Astronauts Complete All-Woman Spacewalk

On Friday, Oct. 18, NASA astronauts Christina Koch and Jessica Meir completed NASA’s first all-woman spacewalk. During the 7-hour, 17-minute spacewalk, the pair replaced a failed power controller and completed several other tasks in preparation for future spacewalks.

Watch the All Woman Spacewalk here https://www.youtube.com/watch?v=Iji5hTQ3CUo