The Challenger Space Shuttle exploded seventy three seconds after liftoff.
All the crew on board died on January 28, 1986, all of America was in shock. How and why did it happen. Roger Bogilay told NASA the the o'rings on the shuttle would not seal right in the extreme cold. NASA previously delayed the launch six times before liftoff. At liftoff black smoke came out of the right engine booster for two seconds due to the oring being burned . Then at 10,000 feet the shuttle experienced turbulence. That's when the crew cabin was dislodged and a millisecond late the challenger exploded. The Challenger's crew, memorial and, aftermath. The Challenger had a crew of seven and one of them