Whats the statement???............
It was feudalism. you have to look at the frame of the crusades.
Generally speaking, it would be a "Joint Command" that has line authority to oversee the management of multiple incidents being handled by separate Incident Command organizations, since in this case different agencies are "joined" together.
Well here in nevada its mostly a huge desert with hot temperatures and since there are high mountains rain mostly never gets here which is why there is a desert here and since this is not in washington i cannot provide a lot of info based on that state