Which department developed the Incident Command system?

• A. Centers for Disease Control
• B. Federal Emergency Management Agency
• C. National Guard
• D. Department of Homeland Security (DHS)

Answer: (D)

The Incident Command System was developed to provide a single, standardized approach for coordinating responses across different agencies during emergencies. After the events that highlighted the need for nationwide interoperability, the Department of Homeland Security created and championed the National Incident Management System and its Incident Command System, bringing together federal, state, and local responders to use common structure, terminology, and processes. Because DHS oversees this national framework (with FEMA as a key agency within DHS), the department is the one credited with developing ICS. The other options describe organizations that may implement or respond to incidents, but they did not originate the system itself.