NASA astronauts Anne McClain and Nichole Ayers pose for a portrait inside the cupola

ASTRONAUT COOPER - SPACECRAFT "FAITH 7" - RECOVERY - USS KEARSAGE - PACIFIC

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Astronaut Don Pettit injects yellow ink into a ball of water

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

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Astronaut Bonnie Dunbar preparing to perform bio-medical test

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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MERCURY-ATLAS (MA)-6 - "FRIENDSHIP 7" - ASTRONAUT GLENN - CAPE

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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Astronaut Virgil Grissom in new Mercury Space Suit during egress training

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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Astronaut Butch Wilmore works outside the International Space Station

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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Gemini 9 spacecraft during EVA as seen Astronaut Eugene Cernan

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Sturckow in the orbiter flight deck gives instructions to the EVA astronauts

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NASA astronaut Anne McClain swaps filters inside the Kermit microscope

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Sturckow in the orbiter flight deck gives instructions to the EVA astronauts

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NASA astronaut Jessica Meir enters the International Space Station

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Astronaut Don Pettit works inside the Kibo laboratory module

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NASA astronaut Jonny Kim replaces orbital plumbing components

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NASA astronauts Anne McClain and Nichole Ayers are pictured during a spacewalk

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JAXA astronaut and Expedition 28 crew member Satoshi Furukawa

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Expedition 28 crew member and JAXA astronaut satoshi Furukawa

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STS-125 Astronaut Mike Good during SSATA chamber run

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

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Astronaut James Irwin simulates using lunar surface geological tools

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