On January 28, 1986, the Space Shuttle Challenger exploded after it was launched from Kennedy Space Center in Florida in just 73 seconds which claimed the lives of seven astronauts.

O-ring erosion on Discovery would have disastrous effects a year later It has been 40 years since NASA launched the first dedicated Department of Defense Space Shuttle mission, after which engineers ...

The Challenger 7 Crew included Michael J ... NASA managers had known since 1977 that contractor Morton-Thiokol’s design of the SRBs contained a potentially catastrophic flaw in the O-rings ...

Morton Thiokol management overruled the group's recommendation that the launch not take place because the joint seals could fail. After the joint seals did fail and the Challenger exploded, killing ...

Then there flashed into my mind the fateful day on January 28th, 1986—a mere 73 seconds after launch, millions bore witness to the tragedy as the Space Shuttle Challenger disintegrated ... an engineer ...