> NASA probably didn’t look closely into the engineering Yes, they did. NASA had been told by Thiokol the previous summer about the O-ring issue and that it co

> NASA probably didn’t look closely into the engineering Yes, they did. NASA had been told by Thiokol the previous summer about the O-ring issue and that it could cause the loss of the Shuttle--and ignored the recommendation to ground the Shuttle until the issue was fixed. The night before the launch there was a conference call where the Thiokol engineers recommended not launching. Detailed engineering information was presented on that call--and it was information that had already been presented to NASA previously. NASA knew the engineering information and recommendation. They chose to ignore it.