Regarding Defense Support of Civil Authorities, the role of the dual-status commander is to provide command and control for National Guard and federal military forces.
Defense Support of Civil Authorities (DSCA) is a collective term used to refer to support provided by U.S. Federal military forces, DoD civilians, DoD contractors, DoD component assets and National Guard Forces in domestic emergency management operations. In regard to DSCA, the dual-status commander acts within both chains of command (state and national), relaying orders from the federal chain of command to federal military forces and from the state chain of command to National Guard forces. Dual status commanders can direct federal active-duty forces as well as state National Guard forces in response to domestic incidents.
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