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
Christa Wolf herself then closely watched for nearly 30 years. During the Cold War, Wolf was openly critical of the leadership of the GDR, but she maintained a loyalty to the values of socialism and opposed German reunification. Wolf's breakthrough as a writer came in 1963 with the publication of "Der geteilte Himmel" ("Divided Heaven"). Her subsequent works included "Nachdenken über Christa T." ("The Quest for Christa T.") (1968), "Kindheitsmuster" ("Patterns of Childhood") (1976), "Kein Ort. Nirgends" (1979), "Kassandra" ("Cassandra") (1983), "Störfall" ("Accident") (1987), "Medea" (1996), "Auf dem Weg nach Tabou" ("On the Way to Taboo") (1994), and "Stadt der Engel oder