Teacher in Space Project Barbara Morgan as her backup. McAuliffe was a high school social studies teacher from Concord, New Hampshire. She planned to teach two 15-minute lessons from the Space Shuttle. McAuliffe died in the Space Shuttle "Challenger" disaster (STS-51-L) on January 28, 1986. After the accident, Reagan spoke on national television and assured the nation that the Teacher in Space program would continue. "We'll continue our quest in space", he said. "There will be more shuttle flights and more shuttle crews and, yes, more volunteers, more civilians, more teachers in space. Nothing ends here; our hopes and our journeys continue." However, NASA
Space Shuttle still has its 1983 markings and still has its name on the payload bay doors. The Space Shuttle was initially developed in the 1970s, but received many upgrades and modifications afterward to improve performance, reliability and safety. Internally, the Shuttle remained largely similar to the original design, with the exception of the improved avionics computers. In addition to the computer upgrades, the original analog primary flight instruments were replaced with modern full-color, flat-panel display screens, called a glass cockpit, which is similar to those of contemporary airliners. To facilitate construction of ISS, the internal airlocks of each orbiter except "Columbia"