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STS110-E-5510
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STS110-E-5510

July 20, 2011
Some 240 miles above the blue and white Earth, astronaut Jerry L. Ross works on the International Space Station. During the second day of four (non-consecutive) days of scheduled spacewalks, astronauts Ross and Lee M.E. Morin (out of frame) completed the structural attachment of the newest component of the orbital outpost, mating two large tripod legs of a 13-ton truss to the stations main laboratory during a 7-hour, 30-minute spacewalk. The station will ultimately span some 350 feet from end to end, slightly longer than a football field. The work of the two mission specialists complemented that of the previous day by astronauts Steven L. Smith and Rex J. Walheim.


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