STS-48 crew, exiting CTV, is greeted by astronaut Richards at EAFB, Calif

Astronaut Alan Shepard with Modular Equipment Transporter aboard KC-135

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STS-51 astronauts photographed during sleep period on Discovery's middeck

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STS-37 crewmembers watch Pilot Cameron juggle cassettes on OV-104's middeck

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STS-61 crew utilizing Virtual Reality in training for HST repair mission

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Apollo 7 prime crew during water egress training in Gulf of Mexico

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Apollo 8 prime crew seen during water egress training in Gulf of Mexico

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SpaceX Demo-2 Astronaut Walk-Out

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2018 NASA Day of Remembrance

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NASA astronaut Jack Hathaway is photographed inside the Dragon spacecraft

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ESA astronaut Sophie Adenot is photographed in her SpaceX pressure suit

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NASA astronauts Mike Barratt, Butch Wilmore, and Suni Williams

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NASA Astronaut Anne McClain Conducts Space Science and Station Maintenance

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NASA astronaut Mike Fincke waves to officials at Ellington Field in Houston, Texas

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NASA astronaut Jessica Meir and Jack Hathaway practice cardiopulmonary resuscitation (CPR)

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NASA astronaut Jessica Meir practices cardiopulmonary resuscitation (CPR)

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JAXA astronaut Kimiya Yui waves to officials at Ellington Field in Houston, Texas

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NASA astronaut Jessica Meir is photographed inside the Dragon spacecraft

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NASA astronaut Jack Hathaway reviews cardiopulmonary resuscitation (CPR) techniques

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NASA astronaut Zena Cardman waves to officials at Ellington Field in Houston, Texas

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