JIS operates across and supports the other NIMS Command and Coordination structures: ICS ICS The Incident Command System (ICS) is a standardized approach to the command, control, and coordination of emergency response providing a common hierarchy within which responders from multiple agencies can be effective. https://en.wikipedia.org › wiki › Incident_Command_System Incident Command System - Wikipedia , EOC and MAC Group. JIS activities include: Developing and delivering coordinated interagency messages. Developing, recommending and executing public information plans and strategies.