STS-118 to regulate, monitor, and shut them down in case of trouble; the new system extends and improves the monitoring capability for increased safety.) "Endeavour" also received several systems that the other orbiters had already been equipped with, such as a glass cockpit, improved wing leading-edge sensors and the OBSS. STS-118 included mission specialist Barbara Morgan, the first Mission Specialist Educator. Morgan trained as the backup to Christa McAuliffe, NASA's Teacher in Space candidate from 1985 to 1986. McAuliffe was killed in the space shuttle "Challenger" accident on 28 January 1986. While McAuliffe and Morgan were classified as spaceflight participants and
Gregory Jarvis McNair, Lt. Col. Ellison Onizuka (USAF), Dr. Judith Resnik, and fellow civilian payload specialist, Christa McAuliffe. The entire STS-51-L crew died on January 28, 1986, when "Challenger" broke up during launch. The remains of all seven astronauts from the "Challenger" disaster were discovered in the crew decks on the ocean floor. Jarvis' body was discovered in the lower mid-deck along with McNair and McAuliffe. During salvage operations to raise the crew deck from the ocean floor, his body escaped from the wreckage, floated to the surface, and disappeared back into the sea. On April 15, 1986, on the last scheduled