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KENNEDY SPACE CENTER, FLA. -- With the sun just peaking above the horizon, the shuttle training aircraft (STA) sits on the tarmac at the Shuttle Landing Facility, ready for practice flights by Mission STS-117 Commander Rick Sturckow and Pilot Lee Archambault. The STA is a Grumman American Aviation-built Gulf Stream II jet that was modified to simulate an orbiter's cockpit, motion and visual cues, and handling qualities. In flight, the STA duplicates the orbiter's atmospheric descent trajectory from approximately 35,000 feet altitude to landing on a runway. Because the orbiter is unpowered dur…
