Unified command
Area command involves multiple incident commanders.
multiple incident commanders means multiple incidents which would be covered under an ICS structure known as "area command".
which action is inconsistent with ICS chain of command?
The Incident Command System (ICS) is a fundamental element of incident management.
The Incident Command System (ICS) is:
nothing
nothing
nothing
The Incident Command System (ICS) is:
unified command
Incident command system (ICS)
Unified Command