The Challenger disaster was caused by the failure of an O-ring in one of the solid rocket boosters, leading to an explosion just 73 seconds after launch. Who were the crew members of the ...

after which engineers spotted O-ring seal defficiencies that would doom Challenger a year later.… The five crew members launched on the three-day jaunt to space and back – aboard Space Shuttle ...

NASA succeeded in returning the Space Shuttle fleet to flight following the devastating loss of the Space Shuttle Challenger and her seven-member crew on the STS-51L mission. Now, in a radically ...