Space Shuttle orbiter its maiden flight in 1977. An unpowered glider, it was carried by a modified Boeing 747 airliner called the Shuttle Carrier Aircraft and released for a series of atmospheric test flights and landings. "Enterprise" was partially disassembled and retired after completion of critical testing. The remaining orbiters were fully operational spacecraft, and were launched vertically as part of the Space Shuttle stack. "Columbia" was the first space-worthy orbiter, and made its inaugural flight in 1981. "Challenger", "Discovery", and "Atlantis" followed in 1983, 1984 and 1985 respectively. In 1986, "Challenger" was destroyed in an accident shortly after launch. "Endeavour" was built
Space Shuttle Inspiration Space Shuttle Inspiration Space Shuttle "Inspiration" is a full-scale Space Shuttle mockup built in 1972 by North American Rockwell. The plastic and wood model was made to promote the company's bid to construct the Space Shuttle fleet. The Space Shuttle Orbiter mockup was constructed by North American Rockwell in 1972. It was shown to NASA and Congress to win approval for the space shuttle program. The mockup is approximately the same size and shape as an actual Orbiter. It was also used to design cable harnesses for production shuttle Orbiters and to test-fit flight hardware. The mockup was abandoned in