NASA astronaut Jessica Meir configures the Microgravity Science Glovebox

Underwater EVA training in the WETF with astronauts Nelson and van Hoften

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NASA astronaut Chris Williams configures advanced robotics hardware

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NASA astronaut Jonny Kim waves for a portrait while removing research hardware

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NASA astronaut Nichole Ayers stows physics research hardware

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Astronaut Suni Williams' camera is reflected in her spacesuit helmet's visor

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Canadian Space Agency Astronaut Jenni Gibbons Practices Lunar Tasks

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SSATA Crew Training and EMU Verification for STS-135 astronaut Rex Walheim

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Astronaut Grissom talks to backup John Glenn prior to insertion

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Astronaut Michael Lopez-Alegria in T-38 aircraft cockpit

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NASA astronaut Nichole Ayers works on an experimental carbon dioxide removal device

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Cosmonaut Aleksey Leonov displays drawing of Astronaut Thomas Stafford

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Astronaut Don Pettit inserts research hardware into the Combustion Integrated Rack

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Expedition 71 Astronauts Speak with U.S. Senate Youth Program

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Astronaut Nick Hague Attends Joint Base Andrews Air Show

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NASA astronaut Zena Cardman opens the hatch to the Cygnus XL cargo craft

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Astronauts Michael Foale and Jerry Linenger training with Russian Orlan suit

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Expedition 18 crew member and JAXA astronaut Soichi Noguchi

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NASA astronaut Zena Cardman processes bone stem cell samples

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NASA astronaut Mike Fincke smiles works on the Droplets fluid physics investigation

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NASA astronauts Don Pettit and Nick Hague at the controls of the robotics workstation

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Astronaut Suni Williams checks out the Astrobee robotic free-flyer

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Astronaut Scott Carpenter in Hangar S crew quarters during suiting activity

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Astronaut Ed Lu prepares for ISS Expedition Seven mission.

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Astronaut Jones donning EMU during space walk simulations for STS-59

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