Astronaut Michael E. Lopez-Alegria, Expedition 14 commander and NASA space station science officer, participates in a 6-hour, 40-minute spacewalk as construction continues on the International Space Station.

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Keywords: ., american, archival, archive, astronaut, color, colour, exploration, famous, historic, historical, history, image, images, lopez-alegria, michael, mission, nasa, people, person, persons, space, spacewalk, vintage