VIDEO-Did you know that the United States military went to DEFCON 3 following the attacks of 9/11/01? The DEFense readiness CONdition (DEFCON) system prescribes five graduated levels of readiness (or states of alert) for the U.S. Military.  The DEFCON level did not change after the Murrah Building bombing as it was deemed a localized event that was not going to escalate to a national, or international, safety event. Watch Dr. Perrodin as he discusses high-stakes decision making which often involves very complex moral dilemmas.