1. A method of treating or transporting victims of a mass casualty incident in accordance with an order of treatment or transport achieved by the steps of: providing a casualty severity score for each of a plurality of simulated victims; and determining an order of treatment for each of the plurality of victims, prior to occurrence of the mass casualty incident, through consideration of the casualty severity score and simulated resource availability, where the order of treatment is provided on a rule-based card, chart or graph for use upon occurrence of the mass casualty incident.