ICS 100, Introduction to the Incident Command System, introduces the Incident Command System (ICS) and provides the foundation for higher level ICS training. This course describes the history, features and principles, and organizational structure of the Incident Command System. It also explains the relationship between ICS and the National Incident Management System (NIMS).

Overview:IS-100.a Introduction to Incident Command System, ICS-100
http://training.fema.gov/EMIWeb/IS/IS100a.asp 

To obtain the ICS-100 course materials or take the course online go to
http://www.training.fema.gov/EMIWeb/IS/is100.asp