Astronaut Suni Williams is pictured during a six-hour spacewalk

Astronaut Alan Shepard in pressure suit with Freedom 7 capsule

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GEMINI-TITAN (GT)-9 - TRAINING - ASTRONAUT ALDRIN - OH

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Robonaut activities involving joint task operations with a EVA suited astronaut

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Astronaut Butch Wilmore works outside the International Space Station

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GEMINI-TITAN (GT)-9 TEST - ASTRONAUT EDWARD A. CERNAN - MISC. - CAPE

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Astronaut Mike Barratt stows research samples in a science freezer

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ASTRONAUT LOVELL, JAMES A., JR. - APOLLO VIII (GUIDANCE & NAVIGATION [G&N])

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Astronaut Don Pettit removes the small satellite orbital deployer

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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ASTRONAUT GRISSOM, VIRGIL I. - MERCURY SPACECRAFT - EGRESS TRAINING

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STS-125 Astronauts Massimino and Johnson pose for Magazine Cover

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NASA astronaut Mike Fincke performs maintenance tasks inside the Quest airlock

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NASA astronaut Kjell Lindgren visits DuVal High School

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STS-120 Astronauts Scott Parazynski and Doug Wheelock at NBL

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SPACECRAFT (INSPECTION) - ASTRONAUT JOHN W. YOUNG - MISC. - CAPE

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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NASA astronaut Jonny Kim services a sample processor for a pharmaceutical investigation

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Skylab (SL)-2 - Astronaut Paul J. Weitz - MSC

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Astronaut Joseph Kerwin forms perfect sphere with water droplet

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Astronaut Scott Carpenter - Hangar "S" - Crew Quarters - Suiting Exercise - Cape

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Astronaut Ed Lu prepares for ISS Expedition Seven mission.

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Expedition 30 crew member and ESA astronaut Andre Kuipers training in SSTF

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Remote Manipulator System (RMS) - Astronaut Ride, Sally (Flyswatter) - JSC

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