Space Shuttle Challenger disaster cause to the accident. After the accident, NASA attempted to aim at a more realistic shuttle flight rate: it added another orbiter, "Endeavour", to the space shuttle fleet to replace "Challenger", and it worked with the Department of Defense to put more satellites in orbit using expendable launch vehicles rather than the shuttle. In August 1986, President Reagan also announced that the shuttle would no longer carry commercial satellite payloads. After a 32-month hiatus, the next shuttle mission, STS-26, was launched on September 29, 1988. Although changes were made by NASA after the "Challenger" accident, many commentators have argued that
Space Shuttle Endeavour Manchester Boulevard Bridge. The space shuttle was mainly carried by four self-propelled robotic dollies throughout the 12 mile journey. However, due to bridge weight restrictions, the space shuttle was moved onto the dolly towed by the Tundra. After it had completely crossed the bridge, the Space Shuttle was returned to the robotic dollies. The footage was later used in a commercial for the 2013 Super Bowl. Having taken longer than expected, "Endeavour" finally reached the Science Center on October 14. The exhibit was opened to the public on October 30, 2012 at the temporary Samuel Oschin Space Shuttle "Endeavour" Display