SSATA Crew Training and EMU Verification for STS-135 astronaut Sandra Magnus.

SSATA Crew Training and EMU Verification for STS-135 astronaut Sandra Magnus.

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Astronauts Gardner and Allen during loading of Westar VI in payload bay

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SSATA Crew Training and EMU Verification for STS-135 astronaut Sandra Magnus.

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Astronauts Allen, Gemar and Thout during EVA preparation training in CCT

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NASA’s SpaceX Crew-2 Astronauts at the National Park Service

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Astronaut Catherine G. Coleman aboard KC-135 aircraft

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Apollo 11 astronaut Buzz Aldrin and tour guide Mary Ann Harness check out models of the Ares 1 and Ares 5 space vehicles during Aldrin's tour of NASA Dryden

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Apollo 11 astronaut Buzz Aldrin tries out the control station for the X-48B Blended Wing Body unmanned subscale demonstrator during a tour of NASA Dryden

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STS-54 MS3 Helms tests CCA equipment prior to an underwater simulation at JSC

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STS-54 MS3 Helms, in EMU, on platform prior to underwater simulation at JSC

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STS-54 MS3 Susan J. Helms dons EMU for underwater simulation in JSC's WETF

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View inside the crew quarters

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SpaceX Demo-2 Dry Dress Rehearsal - Astronauts at Pad 39A

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SpaceX Demo-2 Dry Dress Rehearsal - Astronauts at Pad 39A

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SpaceX Demo-2 Dry Dress Rehearsal - Astronaut Walk-Out

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SpaceX Demo-2 Dry Dress Rehearsal - Astronauts at Pad 39A

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SpaceX Demo-2 Dry Dress Rehearsal - Astronaut Walk-Out

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KSC-99PP-0900

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Astronaut Hadfield makes his way onboard Mir space station

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NASA/SpaceX Crew-1 Departs for KSC

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Official Portrait of Astronaut Tracy Caldwell: Official and Alternate Views

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PORTRAIT - ASTRONAUT HENRICKS, TERENCE T. (BLUE FLIGHT SUIT)

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Official portrait of astronaut candidate Peter J. K. Wisoff

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Official Portrait of Astronaut Candidate (ASCAN) Winston E. Scott in

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