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CAPE CANAVERAL, Fla. - On the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, space shuttle Endeavour’s STS-126 commander, Chris Ferguson, walks away from the Shuttle Training Aircraft, or STA. Ferguson flew the STA to practice landing the shuttle on the runway. The STA is a Grumman American Aviation-built Gulf Stream II jet that was modified to simulate a shuttle’s cockpit, motion and visual cues, and handling qualities. In flight, the aircraft duplicates the shuttle’s atmospheric descent trajectory from approximately 35,000 feet altitude to landing on a runway. Ferguson previously served as pilot on the STS-115 mission, which flew in September 2006. The STS-126 mission to the International Space Station is targeted to launch Nov. 16. Photo credit: NASA/Cory Huston