#sunita williams
Legendary NASA astronaut and flight engineer Sunita Williams. She holds the records for the most spacewalks completed by a woman, the longest number of spacewalk hours by a woman and the second longest spacewalk in the history of space travel at 8 hours 17 minutes. As an engineer she had to repair, improve and add installations to the space station. On one of her spacewalks she, along with her collegue Aki Hoshide, famously repaired a failing power unit using a toothbrush. You can watch the spacewalks on youtube here
Source:NASA
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