The most tragic disaster in American space history... and they saw it coming.

On the eve of the Challenger explosion in 1986 one engineer goes to the extreme to stop the launch. This hot-headed engineer makes a desperate race against the clock to call off the billion dollar multi-delayed Challenger launch, convinced the O-ring seals will fail and kill everyone on board. The Company, Marshall Space Flight and NASA made a business decision. He made a human decision.