On January 28th, 1986, the Space Shuttle Challenger lifted off from Florida, carrying seven astronauts. Just over a minute later, it exploded in a fireball, shocking the world. This documentary ...

THIS IS A RUSH TRANSCRIPT. THIS COPY MAY NOT BE IN ITS FINAL FORM AND MAY BE UPDATED. MILES O'BRIEN, CNN ANCHOR: So where were you 15 years ago today? When I tell you why I ask, I bet you will know ...