![]() The second would explain how the shuttle flew, technological advances made through space exploration, and why space exploration is important. The plan specified that McAuliffe would teach two lessons from space: The first would include an introduction to the crew members and their jobs, the cockpit, and human conditions on the shuttle. Christa McAuliffe, from Massachusetts, who had been selected from among more than 11,000 applicants, was to be the first teacher carried into space on the TISP, or Teacher In Space Program. It would carry cargo: the Tracking Data Relay Satellite-2 (TDRS-2), and a free-flying module designed to observe the tail and coma of Halley's comet with two ultraviolet spectrometers and two cameras.Ī unique aspect of the mission was one of its passengers. Challenger was the shuttle designated for Mission 51L and would be routine in many respects. The shuttle was originally designed for 100 launches, or 10 years of operation. Challenger flew nine successful missions prior to January 1986. It was followed a year later by Challenger. Then on January 28, 1986, the Challenger exploded 74 seconds into its flight, which reminded the entire world of space exploration's true risks.Ĭolumbia, launched in 1981, was the first space shuttle. ![]() ![]() By the beginning of 1986, shuttle flights seemed nearly routine. The Challenger was the second member of the shuttle fleet. The Space Shuttle Program was designed to replace single-use or expendable-launch rockets with reusable vehicles that would provide more economical access to outer space for government and private missions. ![]()
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