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June 14, 2011
The U.S.-built Unity node occupies the attention of astronaut Daniel T. Barry as he participates in the May 30 space walk during which he and astronaut Tamara E. Jernigan performed external tasks on the International Space Station (ISS). Jernigan, standing on the end of Discovery's remote manipulator system (RMS), is reflected in Barry's helmet visor in this 35mm frame.

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