15. the incident command system (ics) is: a. a military system used in domestic incidents to ensure command and control of federal resources. b. most applicable to the management of complex incidents that extend over many hours or days. c. a relatively new approach created based on the lessons learned from the 9/11 terrorist attacks. d. a standardized approach to incident management that is applicable for use in all hazards.

The correct answer is D. A standardized approach to incident management that is applicable for use in all hazards.

Explanation:

The Incident Command System (ICS) is a complex system of response that can be used in any kind of hazard and involves a hierarchy that establishes the levels of responders to emergencies or hazards, including local to national or complex temporary incidents and from minor medical events to terrorist attacks. The system was first conceived in the 1960s to respond to specific local events but it has evolved and nowadays can be used for major events of all types. Thus, the ICS is "a standardized approach to incident management that is applicable for use in all hazards".