The Incident Command System $($ICS$)$ is defined as:

An organizational approach used primarily to respond to complex incidents

such as wildland fires.

A command and control organizational structure used by the military to

support responses to domestic incidents.

A standardized approach to incident management that is applicable for use in

all hazards by all levels of government.

A guide for Federal agencies to follow when directing responses at the State,

tribal, and local levels.