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STS-51-L was the disastrous 25th mission of NASA's Space Shuttle program and the final flight of Space Shuttle Challenger. It was planned as the first Teacher in Space Project flight in addition to observing Halley's Comet for six days and performing a routine satellite deployment.
The Space Shuttle mission, named STS-51-L, was the twenty-fifth Space Shuttle flight and the tenth flight of Challenger. [3]: 6 The crew was announced on January 27, 1985, and was commanded by Dick Scobee. Michael Smith was assigned as the pilot, and the mission specialists were Ellison Onizuka, Judith Resnik, and Ronald McNair.
STS-51-L was the twenty-fifth flight in the American Space Shuttle program, and marked the first time a civilian had flown aboard the Space Shuttle. The mission used Space Shuttle Challenger, which lifted off from launch pad 39B (LC-39B) on January 28, 1986, from Kennedy Space Center, Florida.
During the meeting, Morton Thiokol's engineers issued a recommendation "not to launch below 53F", the previous lowest temperature of a launch (STS-51C, a year earlier). The NASA managers challenged this and after a 30 minute offline caucus, Morton Thiokol's senior management overruled their engineers' decision and gave the launch the go-ahead.
STS-51-L was the orbiter's tenth and final flight, initially planned to launch on January 26, 1986 (after several technical and paperwork delays). The mission attracted huge media attention, as one of the crew was a civilian schoolteacher, Christa McAuliffe , who was assigned to carry out live lessons from the orbiter (as part of NASA's Teacher ...
Its official program name was Space Transportation System (STS), taken from a 1969 plan for a system of reusable spacecraft where it was the only item funded for development, as a proposed nuclear shuttle in the plan was cancelled in 1972. [1] [2] It flew 135 missions and carried 355 astronauts from 16 countries, many on multiple trips.
NASA responded to news that Boeing aims to lay off up to 400 workers from its Space Launch System program. The SLS rocket plays a key role in the Artemis moon program, the agency said..
The codes were adopted from STS-41-B through STS-51-L (although the highest code used was actually STS-61-C), and the sequential numbers were used internally at NASA on all processing paperwork. After the Challenger disaster , NASA returned to using a sequential numbering system, with the number counting from the beginning of the STS program.