MAKERS Trailblazer Dr. Peggy Whitson

Dr. Whitson completed two six-month tours of duty aboard the International Space Station, the second as the station commander for Expedition 16 in April 2008. She has accumulated 377 days in space between the two missions, the most for any woman. Whitson has also performed a total of six career spacewalks, adding up to 39 hours and 46 minutes.
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