Space Shuttle Challenger Disaster The space shuttle Challenger was one of NASA’s greatest triumphs as well as NASA’s darkest tragedy’s (Howell E). The challenger was the second shuttle to reach space in April 1983 and successfully completed nine missions (Howell E). The Challengers tenth launch on January 23 1986, the shuttle exploded seconds after liftoff (Howell E). Killing all seven of the crewmember, the accident changed the NASA’s space program forever (Howell E). Some of the contributing
(Cite paper). At some point in their life many people will have sleep disturbances. Between 30% and 50% of the population will