High Quality Content by WIKIPEDIA articles! The Approach and Landing Tests were a series of taxi and flight trials of the prototype space shuttle Enterprise to test the vehicle's flight characteristics both on its own and when mated to the Shuttle Carrier Aircraft, prior to the operational debut of the shuttle system. The Space Transportation System program originated in the late 1960s as a means of reducing the cost of spaceflight by introducing a reusable spacecraft. The final agreed design would feature a reusable spaceplane, disposable external tank and reuseable solid fuel boosters. The contract to build the spaceplane, which eventually came to be known as the "shuttle orbiter", was awarded to North American Aviation, with the first complete orbiter rolled out in 1976. Originally planned to be named Constitution, it was eventually decided that the prototype would bear the name Enterprise.

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