The program was established in March 2004,[1] in response to Homeland Security Presidential Directive-5,[1][2] 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).
[1][3] NIMS is the common framework that integrates a wide range of capabilities to help achieve objectives.
In the 1970s, different agencies at the local, state, and Federal levels got together and created FIRESCOPE, which is the precursor to NIMS.
The ICS command structure is a modular system that can be expanded or contracted as the incident requires.
An EOC is pre-established and represents the municipal, state, county, or regional response to support an Incident command post or multi-agency coordination system (MACS).
They include: Federal Emergency Management Agency currently offers core training about NIMS and ICS.