Before we started rehearsing, we watched documentaries and showed them footage of it. And, they had similar events in their lives that they can sort of hold onto and use the analogy for. So, that's one of the things we've been working on is the understanding of just how important it was and how completely unexpected.

McAuliffe embodied the lessons she taught her classes -- that ordinary people make history. Those who saw the explosion, or watched the tape later on the evening news, know what an impact this event had on most of the population.