NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
ISS space walk. British astronaut Piers Sellers (born 1955, red stripes) and US astronaut Michael Fossum (born 1957) carrying out extravehicular activity (EVA, a space walk), at the International Space Station (ISS). They are part of a crew of seven that travelled to the ISS on the Space Shuttle Discovery to deliver supplies and carry out repairs. Here they are working on the S0 Truss of the ISS, using Discovery's manipulation and sensor arm. Photographed on 8 July 2006.
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