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Astronaut Tracy Caldwell Dyson, Expedition 23 flight engineer, floats freely in the Destiny laboratory of the International Space Station
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Alan Poindexter, right, and James P. Dutton Jr. pose with Japan Aerospace Exploration Agency astronaut Naoko Yamazaki in the Kibo laboratory of the International Space Station.
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James P. Dutton Jr., STS-131 pilot, occupies the commander's station on the forward flight deck of space shuttle Discovery during flight day three activities
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James P. Dutton Jr., STS-131 pilot, eats snack on the middeck of space shuttle Discovery during flight day two activities.
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Alan Poindexter, STS-131 commander, looks through a window on the aft flight deck of space shuttle Discovery during flight day three activities.
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dos potencias
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Naoko Yamazaki, STS-131 mission specialist, floats through a hatch on the middeck of space shuttle Discovery during flight day three activities.
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entrenamiento previo A
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Inversión
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The thin line of Earth's atmosphere, rising sun and space shuttle Discovery are featured in this image photographed by an STS-131 crew member during flight day two activities.
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laser
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actividades
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We admire God protect
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Celebration
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Clayton Anderson, STS-131 mission specialist, occupies the pilot's station on the forward flight deck of space shuttle Discovery during flight day three activities
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James P. Dutton Jr.,
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The Blue Planet
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Aproximación