<P> The National Incident Management System (NIMS) is a standardized approach to incident management developed by the United States Department of Homeland Security . The program was established in March 2004, in response to Homeland Security Presidential Directive - 5, issued by President George W. Bush . It is intended to facilitate coordination between all responders (including all levels of government with public, private, and nongovernmental organizations). The system has been revised once, in December 2008 . The core training currently includes two courses: (1) IS - 700 NIMS, which provides a basic introduction to NIMS, and (2) ICS - 100, which includes history, details, and features, along with an introduction to the Incident Command System . Approximately 24 additional courses are available on selected topics . </P> <P> NIMS standard incident command structures are based on three key organizational systems: </P>

When was the national incident management system established