NASA astronauts Christina Koch and Dr. Jessica Meir exited the International Space ... EVA, or spacewalk – on Friday that largely saw the duo replace a failed Battery Charge/Discharge Unit ...

For Williams, it was her ninth spacewalk, during which she set a new record for the most EVA time by a woman, surpassing the previous record of 60 hours and 21 minutes set by Peggy Whitson in 2017.