Sunday, February 23
Several engineers here began conducting their own analysis after the crash - using the same data and procedures that were used in Houston during the flight. Their results are not only different, but they indicate that NASA had an emergency on its hands.
"We're redoing the analysis because we think it needs to be done differently," said another longtime shuttle engineer, an expert at calculating debris impact. "The re-analysis is finding things to be more harsh than the original."