Most work days go off without a hitch. However, when you're least expecting it, a crisis occurs and requires immediate and calculated action. But without strong leadership, a personal value system, and a pre-developed action plan, resolving the crisis can be anything but easy. Use the examples presented in this article -- September 11, the attack on the Pentagon, and the D.C. Sniper -- to understand what it takes to be a leader during a devastating situation.