NASA astronaut Shannon Walker retired July 10, concluding a career that spanned 38 years, including 30 years of federal service and more than 21 years as an astronaut. During two spaceflights, she ...
HOUSTON — After her first flight, Dr. Shannon Walker held a variety of leadership positions within the Astronaut Office. She's also the supervisor to the 2021 Class of Astronauts, overseeing their ...
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