Astronaut Suni Williams is dwarfed near the SpaceX Dragon crew spacecraft

NASA astronaut Mike Fincke displays protein crystal research hardware

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Astronaut Nick Hague Attends Joint Base Andrews Air Show

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Astronaut Vance Brand seen in hatchway leading to Apollo Docking module

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

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NASA astronaut Zena Cardman transfers the Advanced Space Experiment Processor-2

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NASA astronaut Nichole Ayers tests imaging operations of a 3D research microscope

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SUITING-UP - ASTRONAUT CARPENTER, M. SCOTT - TRAINING - CAPE

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Astronaut Bernard Harris in life raft during WETF training

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ESA astronaut Sophie Adenot inserts biological research samples into a science freezer

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ESA astronaut Sophie Adenot inserts biological research samples into a science freezer

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NASA astronaut Chris Williams shows off biology research hardware

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NASA astronaut Chris Williams inspects and configures a spacesuit jetpack

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NASA astronauts Chris Williams and Jessica Meir inspect and configure a spacesuit jetpack

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NASA astronaut Chris Williams smiles for the camera during a spacesuit fit verification

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NASA astronaut Jessica Meir processes samples for the StarSteel experiment

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NASA astronaut Jessica Meir configures hardware for the StarSteel experiment

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NASA astronauts Jessica Meir and Chris Williams familiarize themselves with spacewalking hardware

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NASA astronaut Mike Fincke shows off the Voyager Flytrap technology demonstration

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Astronaut Suni Williams displays production packs containing geneticallly engineered yeast

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Astronaut Suni Williams photographs the European Materials Ageing experiment hardware

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Astronaut Suni Williams installs the European Materials Ageing experiment

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Astronauts Engle and Truly in cockpit of Orbiter 101 prior to takeoff

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Astronaut Suni Williams checks research procedures on a computer tablet

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APOLLO X ASTRONAUTS - COUNTDOWN DEMONSTRATION TEST (CDDT) - CAPE

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