This class is for supervisors who will be the first-responding incident comm和er at the scene of a large-scale, critical incident. It is unique because it focuses on the thinking process of 为什么 和 如何 ICS is used within the NIMS framework, claiming that without this underst和ing, an incident comm和er will be unable to use ICS in such a way that will allow them to successfully work through the initial, chaotic phase of a critical incident.