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The Space Shuttle Discovery, accompanied by a convoy of recovery vehicles, is towed up the taxiway at NASA's Dryden Flight Research Center at Edwards Air Force Base, California, following its landing on August 9, 2005. Space Shuttle Discovery landed safely at NASA's Dryden Flight Research Center at Edwards Air Force Base in California at 5:11:22 a.m. PDT this morning, following the very successful 14-day STS-114 return to flight mission. During their two weeks in space, Commander Eileen Collins and her six crewmates tested out new safety procedures and delivered supplies and equipment the Int…