"On January 28, 1986, just seventy-three seconds into flight, the space shuttle Challenger broke apart over the Atlantic Ocean, killing all seven people on board. Millions of Americans witnessed the tragic deaths of a crew including New Hampshire schoolteacher Christa McAuliffe. Like the assassination of JFK, the Challenger disaster is a defining moment in 20th century history--one that forever changed the way America thought of itself and its optimistic view of the future. Yet the full story of what happened, and why, has never been told. Until now"--