NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
British astronaut Piers Sellers (born 1955) preparing to engage in extravehicular activity (EVA, a space walk), at the International Space Station (ISS). Sellers carried out this EVA during mission STS-121 (4-17 July 2006) as part of a crew of seven that travelled to the ISS to deliver supplies and carry out repairs. Photographed on 8 July 2006.
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