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July 17, 2012
JSC2011-E-062532 (8 July 2011) --- In the shuttle flight control room in Houston's Mission Control Center, Paul Hill (standing), director of JSC's mission operations directorate, huddles with John McCullough (left), chief of the flight directors office, and Norm Knight, deputy chief of the flight directors office. The three were monitoring pre-launch activity of STS-135 -- the Space Shuttle Program's final mission. Photo credit: NASA

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