Answer: Planning process
Step-by-step explanation:
ICS (Incident command system) is the system of management and control of any incident .It is done with the help of plans, equipment, steps, application, communication etc.
Planning process is a the step of ICS model that helps in coordinating the activities and operations that must take place to deal with any incident in systematic manner.It orderly communicates with the involved members and response department to stay in contact.It helps in supporting and following the command given by system.