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
Ellison Onizuka that took off from Kennedy Space Center at 11:38:00 EST (16:38:00 UTC) on January 28, 1986. The other "Challenger" crew members were commander Dick Scobee, pilot Michael J. Smith, mission specialists Ronald McNair, Judith Resnik, and payload specialists Gregory Jarvis and Christa McAuliffe. It was destroyed when a flame jet leaking from a solid rocket booster ruptured the liquid hydrogen fuel tank 73 seconds after launch. All seven crew members were killed. Following the "Challenger" disaster, examination of the recovered vehicle cockpit revealed that three of the crew members Personal Egress Air Packs were activated: those of Onizuka, mission specialist