code:

	battlefleet_concentration = {
		# EFFECT #############
		battleship = {
			max_organisation = 0.1
			search_and_destroy_coordination = 0.5
		}
		battle_cruiser = {
			max_organisation = 0.1
			search_and_destroy_coordination = 0.5
		}
		heavy_cruiser = {
			max_organisation = 0.1
			search_and_destroy_coordination = 0.5
		}		
		########

		path = {
			leads_to_tech = subsidiary_carrier_role
			research_cost_coeff = 1
		}
		
		research_cost = 3
		
		folder = {
			name = naval_doctrine_folder
			position = { x = -2 y = 2 }
		}
		
		ai_will_do = {
			factor = 1
		}
		
		ai_research_weights = {
			naval_doctrine = -1.0
			battleship = 1.0
			cruiser = 1.5
		}
	}