science #HumanSpaceflight #SpaceExploration Astronaut Butch Wilmore retires from NASA after 25 years Space.com Aug 6 3m read Astronaut Barry "Butch" Wilmore is leaving NASA after a quarter-century of service. Wilmore spent a total of 464 days off Earth during his three spaceflights. www.space.com Related stories science #JohnsonSpaceCenter NASA Astronaut Barry “Butch” Wilmore Retires NASA Aug 6 3m read
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