Astronaut Jerry Ross at threshold of airlock compartment following EVA

NASA astronaut Zena Cardman is pictured in her pressurized spacesuit

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STS-125 Astronaut Mike Good during SSATA chamber run

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Astronaut Gordon Cooper is assisted backing out of his spacecraft "Faith 7"

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Astronauts Michael Anderson and Stephen Robinson during WETF training

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Astronauts Linda Godwin and Michael "Rich" Clifford during EVA

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Astronaut James Newman evaluates tether devices in Discovery's payload bay

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Astronaut Nick Hague tests student-designed space hardware

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Crew Members - USS Champlain - Arrival - Astronaut Alan Shepard

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Skylab (SL)-3 - Astronaut Jack R. Lousma - Utensils

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GEMINI-TITAN (GT)-9 TEST - ASTRONAUT EUGENE A. CERNAN - TRAINING - MSC

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Astronaut Suni Williams wears a virtual reality headset during spacewalk training

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NASA astronaut Zena Cardman speaks on a ham radio with the NixderStelar youth organization

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Mir 21 and 22 cosmonauts and astronauts portraits and Russian training views

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Astronaut Charles Conrad, Jr. - Assistance - Suiting-Up - Pre-Mission - Cape

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Astronauts Young and Duke begin simulated lunar surface traverse at KSC

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Astronauts Young and Grissom - Meeting - Press - Post-Landing - Cape

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SHOWN WITH NURSE - ASTRONAUT EDWARD H. WHITE II - MISC. - CAPE

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Astronauts Greg Harbaugh and Joe Tanner suit up for training in WETF

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Astronaut William Thornton helps crewmember performs repairs on DDM

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

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NASA astronaut Jonny Kim treats bioprinted liver tissues in a portable glovebag

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NASA astronaut Mike Fincke is pictured in his pressurized spacesuit

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MERCURY-ATLAS (MA)-9 - LAUNCH - CAPSULE - ASTRONAUT COOPER - CAPE

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STS-131 crew member and JAXA astronaut Naoko Yamazaki

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