Which organizations should be involved in communications planning?

The answer

In the Incident Command System (ICS) and the National Incident Management System (NIMS), the correct answer is all organizations (all stakeholders) involved in the incident. Effective communications planning cannot be done by a single agency in isolation. Every responding department, jurisdiction, and cooperating organization must be represented so the resulting plan lets them all talk to one another. Interoperability is the whole point, and it only works if everyone who needs to communicate is accounted for from the start.

This is why answers like "only the Communications Unit," "only the Planning Section," or "only the lead agency" are incorrect. Those groups have roles, but the scope of who must be involved is everyone in the response.

Why all stakeholders must be included

A large incident often draws fire, law enforcement, EMS, public works, mutual-aid partners, and multiple levels of government, each with its own radios and frequencies. If the plan is built without one of them, that agency ends up unable to reach the others at the worst possible moment. Including all stakeholders ensures:

• Every agency's equipment and frequencies are inventoried.
• Common channels are assigned so crews from different organizations can coordinate.
• Gaps and conflicts (overlapping frequencies, incompatible radios) are caught before operations begin.

This is a core NIMS principle: communications and information management must be interoperable, reliable, and shared across all participants.

How the plan gets built: the ICS 205

The product of this planning is the ICS Form 205, the Incident Radio Communications Plan. It lists the radio channels, frequencies, functions, and assignments for the operational period. The Communications Unit Leader (COML), who works within the Logistics Section, is responsible for preparing the ICS 205 and managing the incident's communications. But preparing the form still requires input from all the organizations involved, because the plan has to reflect every agency's needs and equipment. The Planning Section then incorporates the ICS 205 into the overall Incident Action Plan (IAP).

Why the other options are wrong

• "Only the Communications Unit": The Communications Unit (and its leader) manages and documents the plan, but it must gather requirements from everyone; it cannot invent an interoperable plan alone.
• "Only the Planning Section": Planning assembles the IAP and integrates the ICS 205, but it does not own communications planning by itself.
• "Only the lead or host agency": A single agency's view leaves out mutual-aid and cross-jurisdiction partners, defeating interoperability.

The bigger picture

Poor interoperable communication is one of the most frequently cited failures in after-action reports for major disasters. NIMS was designed partly to fix that by making communications a shared, all-stakeholder responsibility rather than a single agency's afterthought. When you see a question asking who should be involved in communications planning, the safe and correct answer is the most inclusive one: everyone participating in the incident. The Communications Unit Leader documents it on the ICS 205, but the planning itself belongs to all responders.