40 Years Ago Today: [View all]
The Challenger shuttle disaster. The nation and the world lost seven heroes of science and exploration:

Francis R. Scobee, Mission Commander
Michael J. Smith, Pilot/Astronaut
Ronald E. McNair, Mission Spcecialist
Ellison S. Onizuka, Mission Specialist
Judith A. Resnick, Mission Specialist
S. Christa McAuliffe, Teacher in Space
Gregory B. Jarvis, Payload Specialist
The Challenger shuttle booster exploded 73 seconds after launch, destroying the shuttle orbiter, and killing all seven crew members. The cause of the explosion was traced by an investigating commission member to be an O-ring seal between sections of a solid-rocket booster that stiffened due to cold temperatures at launch and thereby failed to seal.
The mission was to be the first to put a teacher in space to conduct science lessons for schoolchildren.

This image is seared into the memory of all of us who were alive that day and experienced the tragedy.
RIP, Challenger crew. You are not forgotten.
- - -
- - -
- - -
- - -
- - -
- - -