Atlantis spacewalkers Dave Wolf and Piers Sellers work outside on the newly installed S1 truss at the International Space Station during the STS-112 mission on Oct. 10, 2002.
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Atlantis spacewalkers Dave Wolf and Piers Sellers work outside on the newly installed S1 truss at the International Space Station during the STS-112 mission on Oct. 10, 2002. |
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