destroyer_technology = {

	activate_building = naval_base	
	activate_unit = destroyer

	allow = {
		num_of_ports  =1
	}
 

	research_bonus_from = {
		naval_engineering = 1.0
	}
	
	on_completion =naval_engineering

	difficulty = 1
	start_year = 1918
	folder = smallship_folder
}

destroyer_armament = {
	destroyer = {
		sea_attack = 0.3
		convoy_attack = 0.5
	}

	allow = {
		destroyer_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		destroyer_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering
	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

destroyer_antiaircraft = {
	destroyer = {
		air_attack = 1.00
		air_defence = 1.00
	}

	allow = {
		destroyer_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		destroyer_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
}

destroyer_engine = {
	destroyer = {
		fuel_consumption = 0.01
		range = 400
		maximum_speed = 2
		
	}

	allow = {
		destroyer_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		destroyer_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

destroyer_armour = {
	destroyer = {
		sea_defence = 0.25
	}

	allow = {
		destroyer_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		destroyer_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

lightcruiser_technology = {

	activate_building = coastal_fort
	activate_unit = light_cruiser

	allow = {
		num_of_ports  =1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		destroyer_practical = 0.7
	}
	
	on_completion = naval_engineering
	difficulty = 1
	start_year = 1918
	folder = smallship_folder
}

lightcruiser_armament = {
	light_cruiser = {
		sea_attack = 0.5
		convoy_attack = 0.5
	}

	allow = {
		lightcruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering
	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

lightcruiser_antiaircraft = {
	light_cruiser = {
		air_attack = 1.00
		air_defence = 1.00
	}

	allow = {
		lightcruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
}

lightcruiser_engine = {
	light_cruiser = {
		range = 500
		maximum_speed = 1.5
		fuel_consumption = 0.01
	}

	allow = {
		lightcruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

lightcruiser_armour = {
	light_cruiser = {
		sea_defence = 1
	}

	allow = {
		lightcruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.7
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1936	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
	
}

smallwarship_radar = {
	light_cruiser = {
		surface_detection = 1.00
		air_detection = 1.00
	}
	destroyer = {
		surface_detection = 1.00
		air_detection = 1.00
	}

	allow = {
		OR = {
			lightcruiser_technology = 1
			destroyer_technology = 1
		}
		OR = {	
			AND = {
				NOT = { smallwarship_radar = 3 }	
				radar = 1
			}
			AND = {
				smallwarship_radar = 3
				radar = 3
			}
		}
	}

	research_bonus_from = {
		cruiser_practical = 0.25
		destroyer_practical = 0.25
		electornicegineering_theory  = 0.50
	}

	on_completion = electornicegineering_theory

	difficulty = 2
	start_year = 1939
	first_offset = 1940
	additional_offset = 2
	folder = smallship_folder
}



smallwarship_asw = {
	light_cruiser = {
		sub_detection = 1.00
		sub_attack = 0.80
	}
	destroyer = {
		sub_detection = 1.00
		sub_attack = 1.00
	}

	allow = {
		OR = {
			lightcruiser_technology = 1
			destroyer_technology = 1
		}
		OR = {
			AND = {
				NOT = { smallwarship_asw = 3 }
				radar = 1
			}
			AND = {
				smallwarship_asw = 3
				radar = 3
			}
		}
	}

	research_bonus_from = {
		cruiser_practical = 0.25
		destroyer_practical = 0.25
		electornicegineering_theory  = 0.50
	}

	on_completion = electornicegineering_theory

	difficulty = 5
	start_year = 1939
	first_offset = 1940
	additional_offset = 1
	folder = smallship_folder
}

heavycruiser_technology = {
	activate_unit = heavy_cruiser 

	allow = {
		num_of_ports  =1
	}

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.7
	}
	
		on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	folder = capitalship_folder
}

heavycruiser_armament = {
	heavy_cruiser = {
		sea_attack = 1
		convoy_attack = 0.5
	}

	allow = {
		heavycruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

heavycruiser_antiaircraft = {
	heavy_cruiser = {
		air_attack = 1.00
		air_defence = 1.00
	}

	allow = {
		heavycruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
}

heavycruiser_engine = {
	heavy_cruiser = {
		fuel_consumption = 0.01
		range = 600
		maximum_speed = 1.5
		
	}

	allow = {
		heavycruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

heavycruiser_armour = {
	heavy_cruiser = {
		sea_defence = 1.25
	}

	allow = {
		heavycruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		cruiser_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

battlecruiser_technology = {
	activate_unit = battlecruiser 

	allow = {
		num_of_ports  =1
	}

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.7
	}
	
		on_completion = naval_engineering

	difficulty = 2
	start_year = 1918
	folder = capitalship_folder
}

battleship_technology = {
	activate_unit = battleship 

	allow = {
		num_of_ports  =1
	}

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.7
	}
	
		on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	folder = capitalship_folder
}

capitalship_armament = {
	battlecruiser = {
		sea_attack = 1.5
		convoy_attack = 1
	}

	battleship = {
		sea_attack = 2
		convoy_attack = 1
	}

	allow = {
		OR = {
			battlecruiser_technology = 1
			battleship_technology = 1
		}
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.7
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

battlecruiser_antiaircraft = {
	battlecruiser = {
		air_attack = 1.50
		air_defence = 1.00
	}


	allow = {
		battlecruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 2
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
}

battlecruiser_engine = {
	battlecruiser = {
		fuel_consumption = 0.01
		range = 600
		maximum_speed = 1
		
	}

	allow = {
		battlecruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 2
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

battlecruiser_armour = {
	battlecruiser = {
		sea_defence = 2
	}

	allow = {
		battlecruiser_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 2
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

battleship_antiaircraft = {
	battleship = {
		air_attack = 2.00
		air_defence = 1.00
	}


	allow = {
		battleship_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
}

battleship_engine = {
	battleship = {
		fuel_consumption = 0.01
		range = 600
		maximum_speed = 0.5
		
	}

	allow = {
		battleship_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

battleship_armour = {
	battleship = {
		sea_defence = 3
	}

	allow = {
		battleship_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		fleet_in_being_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

super_heavy_battleship_technology = {
	
	activate_unit = super_heavy_battleship 

	allow = {
		battleship_technology  = 1
		capitalship_armament = 2
		battleship_antiaircraft = 2
		battleship_engine = 2
		battleship_armour = 2
	}

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.7
	}
	
		on_completion = naval_engineering

	difficulty = 4
	start_year = 1938
	folder = capitalship_folder
}

cag_development = {
	activate_unit = cag

	allow = { 
		num_of_ports = 1
		single_engine_aircraft_design = 1
	}
	
	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.3
		capitalship_practical = 0.4
	}
	
	on_completion = aeronautic_engineering

	difficulty = 1
	start_year = 1918

	folder = capitalship_folder
}	

escort_carrier_technology = {

	activate_unit = escort_carrier
	
	allow = {
		num_of_ports  = 1
		cag_development = 1
	}

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		base_strike_doctrine = 0.1	
	}

	on_completion = naval_engineering

	difficulty = 2
	start_year = 1918

	folder = capitalship_folder
}


carrier_technology = {

	activate_unit = carrier
	
	allow = {
		num_of_ports  = 1
		escort_carrier_technology = 1
	}

	research_bonus_from = {
		naval_engineering = 0.3
		capitalship_practical = 0.6
		base_strike_doctrine = 0.1	
	}

	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918

	folder = capitalship_folder
}



carrier_antiaircraft = {
	carrier = {
		air_attack = 1.00
		air_defence = 1.00
	}

	escort_carrier = {
		air_attack = 0.50
		air_defence = 1.00
	}


	allow = {
		carrier_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		carrier_practical = 0.6
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
}

carrier_engine = {
	carrier = {
		fuel_consumption = 0.01
		range = 600
		maximum_speed = 1
		
	}

	escort_carrier = {
		fuel_consumption = 0.01
		range = 500
		maximum_speed = 0.5
		
	}

	allow = {
		carrier_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		carrier_practical = 0.6
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

carrier_armour = {
	carrier = {
		sea_defence = 1
	}

	escort_carrier = {
		sea_defence = 0.5
	}

	allow = {
		carrier_technology = 1
	}
 

	research_bonus_from = {
		naval_engineering = 0.3
		carrier_practical = 0.5
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

carrier_hanger = {

	carrier = {
		visibility = -5
	}

	escort_carrier = {
		visibility = -4
	}

	allow = {
		carrier_technology = 1
	}
 
	research_bonus_from = {
		naval_engineering = 0.3
		carrier_practical = 0.5
		base_strike_doctrine = 0.1
	}
	
	on_completion = naval_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 2	#one new every 2 year
	folder = capitalship_folder
	can_upgrade = no
}

largewarship_radar = {
	heavy_cruiser = {
		surface_detection = 1.00
		air_detection = 1.00
	}
	battlecruiser = {
		surface_detection = 1.00
		air_detection = 1.00
	}

	battleship = {
		surface_detection = 1.00
		air_detection = 1.00
	}

	carrier = {
		surface_detection = 1.00
		air_detection = 1.00
	}

	allow = {
		OR = {
			heavycruiser_technology = 1
			battlecruiser_technology = 1
			battleship_technology = 1
			carrier_technology = 1
		}
		OR = {	
			AND = {
				NOT = { largewarship_radar = 3 }	
				radar = 1
			}
			AND = {
				largewarship_radar = 3
				radar = 3
			}
		}
	}

	research_bonus_from = {
		cruiser_practical = 0.20
		capitalship_practical = 0.20
		carrier_practical = 0.20
		electornicegineering_theory  = 0.40
	}

	on_completion = electornicegineering_theory

	difficulty = 2
	start_year = 1939
	first_offset = 1940
	additional_offset = 2
	folder = capitalship_folder
}

submarine_technology = {
	activate_unit = submarine

	allow = {
		num_of_ports = 1
	}

	research_bonus_from = {
		submarine_engineering = 1	
	}

	on_completion = submarine_engineering

	difficulty = 7
	start_year = 1918

	folder = smallship_folder
}

submarine_antiaircraft = {
	submarine = {
		air_attack =  0.325
		air_defence = 1.50
	}


	allow = {
		submarine_technology = 1
	}
 

	research_bonus_from = {
		submarine_engineering = 0.3
		submarine_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = submarine_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 3	#one new every 2 year
	folder = smallship_folder
	can_upgrade = yes
}

submarine_engine = {
	submarine = {
		fuel_consumption = 0.015
		range = 600
		maximum_speed = 1.5
		
	}

	allow = {
		submarine_technology = 1
	}
 

	research_bonus_from = {
		submarine_engineering = 0.3
		submarine_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = submarine_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 3	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

submarine_hull = {
	submarine = {
		visibility = -1
	}

	allow = {
		submarine_technology = 1
	}
 

	research_bonus_from = {
		submarine_engineering = 0.3
		submarine_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = submarine_engineering

	difficulty = 3
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 3	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}

submarine_torpedoes = {
	submarine = {
		sea_attack = 0.2
		convoy_attack = 3.0

	}

	allow = {
		submarine_technology = 1
	}
 

	research_bonus_from = {
		submarine_engineering = 0.3
		submarine_practical = 0.6
		sealane_interdiction_doctrine = 0.1
	}
	
	on_completion = submarine_engineering

	difficulty = 1
	start_year = 1918
	first_offset = 1934	#2nd model is from 1936
	additional_offset = 3	#one new every 2 year
	folder = smallship_folder
	can_upgrade = no
}


submarine_sonar = {
	submarine = {
		surface_detection = 2
		sub_detection = 1
		sea_defence = 0.9 
	}

	allow = {
		submarine_technology = 1
		radar = 1
	}
 

	research_bonus_from = {
		electornicegineering_theory = 0.3
		submarine_practical = 0.7
	}
	
	on_completion = electornicegineering_theory  

	difficulty = 3
	start_year = 1939
	first_offset = 1940
	additional_offset = 2
	folder = smallship_folder
}

submarine_airwarningequipment = {
	submarine = {
		air_detection = 0.5
	}

	allow = {
		submarine_technology = 1
		radar = 1
	}
 

	research_bonus_from = {
		electornicegineering_theory  = 0.3
		submarine_practical = 0.7
	}
	
	on_completion = electornicegineering_theory  

	difficulty = 1
	start_year = 1939
	first_offset = 1940
	additional_offset = 2
	folder = smallship_folder
}
