# 
# The Naval Doctrine Technology Group
#

#	
#	
#	
technology = {
	id = 13
	category = naval_doctrine
	name = TECH_NAVAL_DOC_NAME #Localized name
	desc = TECH_NAVAL_DOC_DESC #Localized description
	
	level = {
		id = 13000
		name = "Basic Naval Doctrines"
		desc = "These are the basic doctrines that are needed to field a navy that is able to fight effectively on the high seas.  The development of these basic doctrines will determine the types of missions that your warships will be able to accomplish through determining their design philosophy."
		
			cost = 4
			time = 360
			neg_offset = 75
			pos_offset = 150

		application = {
			id = 13007
			name = "Sea Control Doctrine"
			desc = "Admiral Mahan wrote in the late 19th century that the key to a nation's success is control of the sea.  History showed that nations that controlled the oceans faired better on the world stage than nations with no naval strength.  The ancient Greeks, the Romans and the British Empire were all able to grow economically because of their naval domination of economic rivals.  This doctrine promotes the domination of the sea lanes through firepower embodied in battleships and cruisers."
			
			required = { }
			chance = 90
			cost = 4
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = destroyer value = 1 }
				command = { type = max_organization which = cruiser value = 1 }
				command = { type = max_organization which = battleship value = 1 }
			}
		}
		application = {
			id = 13008
			name = "Commerce Warfare Doctrine"
			desc = "The concept of a war against your opponents maritime commerce is an old concept.  Using these concepts in the 20th century, Germany almost brought the British Empire to her knees during the Great War.  Modern concepts of commerce raiding emphasize the use of converted merchant ships, cruisers, and submarines.  The 'rules of war' dictate that commerce raiders stop a merchant vessel and insure that it is bound for a hostile nation and help the crew before sinking or claiming the vessel as a prize."
			
			required = { }
			chance = 90
			cost = 4
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = cruiser value = 1 }
				command = { type = max_organization which = submarine value = 1 }
			}
		}
		application = {
			id = 13009
			name = "Commerce Protection Doctrine"
			desc = "As naval warfare started to focus on maritime lines of communication, methods of defending those lines of communication have to be developed.  Once the war begins, all of our country's merchant shipping need to be brought under the control of the navy to ensure that ships are where they need to be, and that our shipping can be tracked from port to port."
			
			required = { }
			chance = 90
			cost = 4
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = transports value = 1 }
				command = { type = max_organization which = destroyer value = 1 }
			}
		}
		application = { 
			id = 13010
			name = "Admiralty Establishment"
			desc = "The Admiralty is a central body that controls all aspects of the navy.  The Admiralty is responsible for determining of the requirements for the construction of later naval vessels.  They are also responsible for developing the strategies that will be used by the navy in future conflicts."
			
			required = { 6021 }
			chance = 90
			cost = 6
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = destroyer value = 3 }
				command = { type = max_organization which = cruiser value = 3 }
				command = { type = max_organization which = battleship value = 3 }
				command = { type = max_organization which = carrier value = 3 }
			}
		}
		application = { 
			id = 13011
			name = "Offensive Destroyer Doctrine"
			desc = "The use of destroyers in combat can go many directions.  This doctrine believes that destroyers are better used as weapons against an opposing battlefleet.  This means that the destroyers need to have more firepower than destroyers that are primarily used for screening the battlefleet from enemy scouts and destroyers."
			
			required = { 13007 13010 6117 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = destroyer value = 3 }
				command = { type = naval_attack which = destroyer value = 1 }
				command = { type = naval_defense which = destroyer value = -1 }
				command = { type = deactivate which = 13012 }
			}
		}
		application = { 
			id = 13012
			name = "Screening Destroyer Doctrine"
			desc = "The use of destroyers in combat can go many directions.  This doctrine believes that destroyers are better used to defend the battlefleet against enemy scouts and destroyer attacks.  This means that the destroyers are better equipped for detecting enemy ships and submarines than destroyers that are primarily used for attacks against the enemy battlefleet."
			
			required = { 13009 13010 6117 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = destroyer value = 2 }
				command = { type = naval_defense which = destroyer value = 1 }
				command = { type = surface_detection which = destroyer value = 1 }
				command = { type = sub_detection which = destroyer value = 1 }
				command = { type = convoy_def_eff value = 5 }
				command = { type = deactivate which = 13011 }
			}
		}
		application = { 
			id = 13013
			name = "Large Destroyer Doctrine"
			desc = "This doctrine believes that large destroyers are a more valuable addition to the fleet because of their survivability in the face of enemy cruisers and destroyers.  This allows the destroyers to penetrate to torpedo range of the enemy battleships at the center of a formation."
			
			required = { 6117 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { }
			}
		}
		application = {
			id = 13014
			name = "Battleline Cruiser Doctrine"
			desc = "There are numerous uses for cruisers within the fleet.  This doctrine believes that cruisers are a valuable part of the battleline for their ability to add firepower at a smaller cost than their larger cousins the battleship.  This means that these cruisers need to be able to withstand more abuse than cruisers which are used for scouting or commerce raiding."
			
			required = { 13007 13010 6118 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = cruiser value = 3 }
				command = { type = naval_attack which = cruiser value = 2 }
				command = { type = naval_defense which = cruiser value = 1 }
				command = { type = surface_detection which = cruiser value = -2 }
				command = { type = build_cost which = cruiser value = 1 }
				command = { type = build_time which = cruiser value = 30 }
				command = { type = deactivate which = 13015 }
				command = { type = deactivate which = 13016 }
			}
		}
		application = { 
			id = 13015
			name = "Scouting Cruiser Doctrine"
			desc = "There are numerous uses for cruisers within the fleet.  This doctrine believes that cruisers are best used for scouting ahead of the battlefleet and preventing enemy scouts from doing their job effectively.  This requires a fast cruiser with good range to track enemy fleets and maneuver to counter enemy scouts."
			
			required = { 13010 6118 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = cruiser value = 3 }
				command = { type = speed which = cruiser when = on_upgrade value = 2 }
				command = { type = range which = cruiser when = on_upgrade value = 2000 }
				command = { type = surface_detection which = cruiser when = on_upgrade value = 2 }
				command = { type = air_detection which = cruiser when = on_upgrade value = 1 }
				command = { type = deactivate which = 13014 }
				command = { type = deactivate which = 13016 }
			}
		}
		application = { 
			id = 13016
			name = "Commerce Raider Cruiser Doctrine"
			desc = "There are numerous uses for cruisers within the fleet.  This doctrine believes that cruisers are best used for attacking the enemy's lines of maritime trade.  This requires a cruiser that can stay at sea for a long period of time without supply.  These cruisers tend to be more lightly armed and armored than their counterparts that are used with the battlefleet because they are supposed to avoid combat with enemy warships."
			
			required = { 13008 6118 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 40
			pos_offset = 80
			
			effects = {
				command = { type = max_organization which = cruiser value = 3 }
				command = { type = speed which = cruiser when = on_upgrade value = -2 }
				command = { type = range which = cruiser when = on_upgrade value = 5000 }
				command = { type = naval_attack which = cruiser when = on_upgrade value = -1 }
				command = { type = naval_defense which = cruiser when = on_upgrade value = -1 }
				command = { type = surface_detection which = cruiser when = on_upgrade value = 1 }
				command = { type = build_cost which = cruiser value = -1 }
				command = { type = build_time which = cruiser value = -15 }
				command = { type = deactivate which = 13014 }
				command = { type = deactivate which = 13015 }
			}
		}
		application = {
			id = 13017
			name = "Battleship Offensive Firepower Doctrine"
			desc = "Battleships are the heart of the battlefleet, but there are still many opinions as to what is more important in a battleship design.  This doctrine believes that the offensive hitting power of a battleship is the most important feature of battleship design.  This means that they will usually have larger, heavier guns than battleships in other fleets.  This makes their hitting power greater, but the difficulty of building those heavier guns also makes them more expensive then their foreign contemporaries."
			
			required = { 13007 13010 6207 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = battleship value = 3 }
				command = { type = naval_attack which = battleship when = on_upgrade value = 3 }
				command = { type = air_attack which = battleship when = on_upgrade value = 1 }
				command = { type = build_cost which = battleship value = 4 }
				command = { type = build_time which = battleship value = 15 }
				command = { type = deactivate which = 13018 }
				command = { type = deactivate which = 13019 }
			}
		}
		application = {
			id = 13018
			name = "Battleship Speed Superiority Doctrine"
			desc = "Battleships are the heart of the battlefleet, but there are still many opinions as to what is more important in a battleship design.  This doctrine believes that speed is the most important feature of battleship design.  This allows for maneuvering the fleet to victory by cutting off your opponent and attacking parts of his fleet in detail.  This also allows for strategic options of cutting the enemy fleet off from their bases or engaging a fleeing opponent."
			
			required = { 13007 13010 6207 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = battleship value = 3 }
				command = { type = speed which = battleship when = on_upgrade value = 3 }
				command = { type = naval_defense which = battleship when = on_upgrade value = -2 }
				command = { type = air_defense which = battleship when = on_upgrade value = -1 }
				command = { type = fuel_consumption which = battleship when = on_upgrade value = 0.5 }
				command = { type = deactivate which = 13017 }
				command = { type = deactivate which = 13019 }
			}
		}
		application = {
			id = 13019
			name = "Battleship Protection Superiority Doctrine"
			desc = "Battleships are the heart of the battlefleet, but there are still many opinions as to what is more important in a battleship design.  This doctrine believes that survivability of the battleship is more important than the firepower or speed of the battleship.  This makes these battleships very difficult to sink compared to their foreign contemporaries.  It also means that they will take longer to complete due to the increased amount of construction that has to go into their hulls."
			
			required = { 13007 13010 6207 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = battleship value = 3 }
				command = { type = naval_defense which = battleship when = on_upgrade value = 3 }
				command = { type = air_defense which = battleship when = on_upgrade value = 2 }
				command = { type = speed which = battleship when = on_upgrade value = -2 }
				command = { type = build_cost which = battleship value = 2 }
				command = { type = build_time which = battleship value = 40 }
				command = { type = deactivate which = 13017 }
				command = { type = deactivate which = 13018 }
			}
		}
}
 # Level 1
	
	level = { 
		id = 13100
		name = "Great War Naval Experience"
		desc = "The Great War started many revolutions in naval combat.  This was the first war with large battles between modern steel warships.  The British Grand Fleet was able to keep the German High Seas Fleet contained within their ports and unable to affect the course of the war.  In the only battle between the Grand Fleet and the High Seas Fleet resulted in a draw as the Germans were able to sink 3 British battlecruisers, but were driven back into their ports where they would stay for the remainder of the war.  This war also saw the first extensive use of submarines in combat."
	
			cost = 4
			time = 360
			neg_offset = 75
			pos_offset = 150

		application = {
			id = 13105
			name = "Carrier Operational Doctrine"
			desc = "The development of the aircraft carrier happened without much idea of how to use them in combat.  The carrier could be used for supporting the battlefleet with scouting or independent action against the enemy's fleet with aircraft."
			
			required = { 13010 6411 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 1 }
			}
		}
		application = {
			id = 13106
			name = "Submarine Operational Doctrine"
			desc = "The development of the submarine but was limited to coastal defense due to the short range and lack of reliable sensors.  Once an effective submarine design was developed, submarines showed that they were able to affect naval combat.  Fleets all over the world are forced to deal with this 'underhanded' weapon that 'doesn't fight fair.'  There are still questions as to the proper use of submarines in combat which need to be resolved."
			
			required = { 5007 5015 13010 }
			chance = 90
			cost = 2
			time = 270
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = submarine value = 1 }
			}
		}
		application = {
			id = 13107
			name = "Battleline Doctrine"
			desc = "This is experience in maneuvering large groups of battleships and cruisers in formation.  Operating in a line ahead formation that hails back to the days of Nelson, ships engage their opposite in the enemy battleline.  Destroyers and cruisers engage in fierce combat between the two lines of battleships."
			
			required = { 13007 13010 6208 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = cruiser value = 10 }
				command = { type = max_organization which = battleship value = 30 }
			}
		}
		application = {
			id = 13108
			name = "Auxiliary Cruiser Doctrine"
			desc = "This doctrine promotes the use of converted merchant ships for attacking and defending merchant ships.  Merchant ships are given medium caliber guns and naval crews for manning the new guns.  Once commissioned, their long range and innocent appearance helps to protect convoys and independent steamers.  Their innocent appearance also helps Auxiliary Cruisers when used in the commerce raiding role to get close to potential targets."
			
			required = { 13008 13010 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = new_model which = transports value = 2 }
			}
		}
		application = {
			id = 13109
			name = "Convoy Organizational Doctrine"
			desc = "The use of convoys to combat submarines was resisted at first.  The British Admiralty thought that the difficulties of getting merchant vessels to operate in formation would be insurmountable.  That belief combined with the difficulties of coordinating the convoys delayed the implementation of convoys until forced by losses to begin the convoys.  Once implemented, convoys reduced the losses from submarine attacks by confining merchant ships to groups where they could be covered by escorts.  It also concentrated the escorts firepower where the targets were."
			
			required = { 13009 13010 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = transports value = 2 }
				command = { type = convoy_def_eff value = 20 }
			}
		}
		application = {
			id = 13110
			name = "Close Blockade Doctrine"
			desc = "The decision as to whether or not to blockade an enemy fleet close to their ports, or from a distant point determines how the fleet will operate.  A close blockade requires cruisers and destroyers to remain off the enemy's ports and report when the enemy is preparing to sail, and keep them in port or allow battleships to engage."
			
			required = { 13009 13010 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = destroyer value = 10 }
				command = { type = max_organization which = cruiser value = 20 }
				command = { type = max_organization which = submarine value = 2 }
				command = { type = deactivate which = 13111 }
			}
		}
		application = {
			id = 13111
			name = "Distant Blockade Doctrine"
			desc = "The decision as to whether or not to blockade an enemy fleet close to their ports, or from a distant point determines how the fleet will operate.  A distant blockade will block off exits and confine the enemy to a region where they can do little damage.  The British used this tactic on the Germans during the Great War by confining the High Seas Fleet to the North Sea.  The battlefleet will then seek a decisive battle with the enemy."
			
			required = { 13007 13010 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = cruiser value = 10 }
				command = { type = max_organization which = battleship value = 20 }
				command = { type = max_organization which = carrier value = 5 }
				command = { type = deactivate which = 13110 }
			}
		}
		application = {
			id = 13112
			name = "Unrestricted Submarine Warfare"
			desc = "The use of submarines against maritime trade was hampered by the requirement that submarines would obey the Prize Laws.  The Prize Laws demanded that merchant ships as non-combatants had to be given warning and the opportunity to surrender.  This exposed the submarine to damage from guns on the merchant vessel.  In response, the submarines were given orders to attack without warning any vessel in the declared war zone.  This gave the stealthy submarine the advantage."
			
			required = { 5015 13008 13106 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = submarine value = 5 }
				command = { type = naval_attack which = submarine value = 1 }
			}
		}
		application = {
			id = 13113
			name = "Lighter than Air Craft Operational Doctrine"
			desc = "The use of lighter than air craft for reconnaissance dates back to the late 19th century.  The United States Army first used simple tethered balloons to see enemy troop movements at a distance.  This was expanded during the Great War using rigidly framed airships used to scout for the battlefleet.  This increased the range of detection for the fleet and enabled them to engage more effectively."
			
			required = { }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { }
			}
		}
}
 # Level 2
	
	level = {
		id = 13200
		name = "Interwar Naval Experience Doctrine"
		desc = "The time between the two world wars was a time of advancement and changes for the major maritime nations.  The root cause of most of the changes was the Washington Naval Limitation Treaty.  The treaty limited the number of battleships that each country was allowed to retain.  This meant that naval construction shifted to the construction of cruisers whose numbers weren't limited by the treaty.  This meant that the tactics used by these leaner, smaller fleets had to use had to evolve to cope with the new composition."
		
		cost = 4
		time = 720
		neg_offset = 75
		pos_offset = 150

		application = {
			id = 13208
			name = "Carrier Battleline Support Doctrine"
			desc = "The development of the aircraft carrier meant that some decisions had to be made about their use within the fleet.  This doctrine believes that the role of the carrier is to support the battleships in the battleline.  The carriers will be used for scouting ahead of the battleline and insuring that the enemy will be brought to battle by slowing them down with air strikes."
			
			required = { 13105 6208 6411 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 5 }
				command = { type = max_organization which = battleship value = 5 }
				command = { type = naval_defense which = carrier when = on_upgrade value = 1 }
				command = { type = naval_attack which = carrier when = on_upgrade value = 1 }
				command = { type = deactivate which = 13209 }
			}
		}	
		application = {
			id = 13209
			name = "Independent Carrier Operations Doctrine"
			desc = "The development of the aircraft carrier meant that some decisions had to be made about their use within the fleet.  This doctrine believes that carriers will be more effective if their operations were independent from those of the battleline.  The carriers will make attacks upon the enemy fleet.  The use of airpower will devastate the enemy fleet before they can get into range of our fleet or carriers.  This will revolutionize naval combat."
			
			required = { 13105 6414 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 10 }
				command = { type = air_attack which = carrier when = on_upgrade value = 1 }
				command = { type = air_defense which = carrier when = on_upgrade value = 1 }
				command = { type = deactivate which = 13208 }
			}
		}
		application = {
			id = 13210
			name = "Armored Flight Deck Doctrine"
			desc = "The difficulty with the standard carrier design was its inability to absorb damage from air and surface attacks.  The solution to this was an armored deck which supported the flight deck.  This deck would deflect bombs and shells and prevent damage.  The down side to this armor deck was the reduction in the size of the air group that could be carried on board.  Historically this was the carriers of the British Invisible-class."
			
			required = { 13105 6415 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { }
			}
		}
		application = {
			id = 13211
			name = "Underway Replenishment Doctrine"
			desc = "The refueling of naval units at sea is an operation which takes a lot of practice.  The breakthrough for underway replenishment was the adoption of oil fuel.  This meant that refueling could happen at sea which was impossible with coal.  To replenish at sea, the warship pulls up alongside the oiler while sailing on a parallel course approximately 10 yards (9 meters) apart.  The hose is passed from the oiler to the warship and fuel is pumped from one to the other.  This allows the range of the fleet to be extended where it can engage enemy ships farther from our bases."
			
			required = { 13010 6020 6023 6024 }
			chance = 90
			cost = 2
			time = 360
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = range which = destroyer value = 3000 }
				command = { type = range which = cruiser value = 5000 }
				command = { type = range which = battleship value = 8000 }
				command = { type = range which = carrier value = 8000 }
			}
		}
		application = {
			id = 13212
			name = "Mobile Fleet Base Defense Doctrine"
			desc = "The decision to engage the enemy close to our bases with shore defenses or to engage them away from our shores in an important choice.  This doctrine believes that it is important to engage the enemy as far from our shores as possible.  This will mean that our fleet will have to find and destroy the enemy at a distance."
			
			required = { 13010 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = destroyer value = 5 }
				command = { type = max_organization which = cruiser value = 5 }
				command = { type = max_organization which = battleship value = 5 }
				command = { type = max_organization which = carrier value = 5 }
				command = { type = coast_fort_eff value = -20 }
				command = { type = deactivate which = 13213 }
			}
		}
		application = {
			id = 13213
			name = "Coastal Fortification Base Defense Doctrine"
			desc = "The decision to engage the enemy close to our bases with shore defenses or to engage them away from our shores is an important choice.  This doctrine believes that the most effective way to protect our bases is with fixed fortifications.  This will require the construction of defenses near all of our bases along the coast and provide enough troops to defeat any troops that might get ashore."
			
			required = { }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = coast_fort_eff value = 50 }
				command = { type = max_organization which = militia value = 5 }
			}
		}
		application = {
			id = 13214
			name = "Basic Invasion Organization"
			desc = "The ability to effectively land troops across an enemy shore gives additional options for the use of military power.  The ability to outflank your opponent allows our main attacks to be more effective.  It also allows us to attack enemy islands that are defended.  This will promote development of specialized equipment for use by our land forces."
			
			required = { 13010 6041 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = marine value = 5 }
			}
		}
		application = {
			id = 13215
			name = "Commerce Raider Doctrine"
			desc = "The use of cruisers to attack your enemy's commerce is a concept that goes back to before the Napoleonic Wars.  The concept had to be modernized in response to the effect of new technologies.  With the focus of cruiser design on commerce raiding, all cruiser designs have to be optimized to carry out this mission.  These commerce raiding cruisers can cruiser farther, but are more lightly armed and armored than their foreign counterparts used with the battlefleet."
			
			required = { 13016 6118 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = cruiser value = 3 }
				command = { type = range which = cruiser when = on_upgrade value = 1000 }
			}
		}
		application = {
			id = 13216
			name = "Submarine Anti-Naval Unit Doctrine"
			desc = "The use of submarines to attack the enemy battlefleet can be considered the most important use for submarines during wartime.  This requires different tactics than attacking convoys of merchant ships.  Battlefleets move at speeds that make it difficult to get into attack position without using excessive battery power.  Battlefleets are also more heavily protected by destroyers than typical convoys.  All of these difficulties require captains that are trained in overcoming them."
			
			required = { 13106 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = submarine value = 3 }
				command = { type = naval_attack which = submarine value = 2 }
				command = { type = deactivate which = 13217 }
			}
		}
		application = {
			id = 13217
			name = "Submarine Anti-Commerce Doctrine"
			desc = "The use of submarines to attack the enemy's commerce was shown to be very effective during the Great War.  This requirement means that tactics have to be developed to attack the convoys that are going to show up in the event of war.  Convoys mean that all of the merchant shipping is going to be concentrated into small areas where they will be easy to kill.  That is assuming that we are able to find those convoys.  The concentration of shipping also causes the concentration of the defending warships to counter attacks by submarines.  These attacks will require captains trained in overcoming the obstacles."
			
			required = { 13106 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = submarine value = 1 }
				command = { type = deactivate which = 13216 }
			}
		}
		application = {
			id = 13218
			name = "Night Fighting Doctrine"
			desc = "Naval battles fought at night are chaotic affairs.  Without reliable tactics and recognition signals, friendly fire incidents are a distinct possibility.  Special optics allow identification of targets with little available light.  Flashless powder means that enemy forces will be unable to counterfire at the flashes from the guns.  These tactics favor cruisers and destroyers because of their smaller profiles."

			required = { 13107 6530 }
			chance = 90
			cost = 6
			time = 540
			neg_offset = 45
			pos_offset = 90

			effects = {
				command = { type = max_organization which = destroyer value = 10 }
				command = { type = night_attack which = destroyer when = on_upgrade value = 25 }
				command = { type = max_organization which = cruiser value = 10 }
				command = { type = night_attack which = cruiser when = on_upgrade value = 25 }
				command = { type = max_organization which = battleship value = 5 }
				command = { type = night_attack which = battleship when = on_upgrade value = 15 }
			}
		}

	} # Level 3
	
	level = {
		id = 13300
		name = "Early War Naval Experience Doctrines"
		desc = "As the war developed, the navies involved had to remove any preconceptions about how the war was going to unfold.  The first surprise was the effectiveness of submarines against British shipping in the Atlantic.  The other lesson that was quickly learned was the ineffectiveness of surface warships in the face of land based air attacks.  All of these lessons had to be absorbed and counters developed."
		
			cost = 4
			time = 720
			neg_offset = 75
			pos_offset = 150

		application = {
			id = 13304
			name = "Focal Point Protection Doctrine"
			desc = "As part of the tactics of concentrating the firepower of limited numbers of escorts, the concept of protecting focal points where traffic had to pass was developed.  By using the escorts in this fashion, the escorts are able to patrol areas where submarines and surface raiders are likely to attack because of concentrations of shipping."
			
			required = { 13109 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = sub_detection which = destroyer value = 1 }
				command = { type = convoy_def_eff value = 25 }
			}
		}
		application = {
			id = 13305
			name = "Coastal Convoy Protection Doctrine"
			desc = "The coastal trade is important for a nation's economy though the movement of goods internally.  These lines of trade are often overlooked when it comes to planning the defense of lines of commerce.  There are a large number of ships involved in this coastal trade which need to be integrated into the convoy system."
			
			required = { 13109 13304 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = convoy_def_eff value = 30 }
			}
		}
		application = {
			id = 13306
			name = "Same Design Focus Doctrine"
			desc = "It is often easier to continue to build the same design that is in production at the beginning of the war than to come up with a specialized design.  This allows for a large number of destroyers to be produced early in the war at the expense of designs specifically designed for ASW combat."
			
			required = { 13009 13010 6117 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = build_cost which = destroyer value = -1 }
				command = { type = build_time which = destroyer value = -10 }
				command = { type = max_organization which = destroyer value = 3 }
				command = { type = deactivate which = 13307 }
				command = { type = deactivate which = 6933 }
				command = { type = deactivate which = 6990 }
				command = { type = deactivate which = 6946 }
			}
		}
		application = {
			id = 13307
			name = "Specialized ASW Escort Doctrine"
			desc = "Destroyers are effective submarine hunters, but they often have more capability than is necessary for escorting convoys.  This means that a vessel that is specifically designed for ASW would be more effective.  These escorts are designed to be mass produced using parts and systems that aren't needed for units that make up the battleline.  This means that diesel engines and smaller main battery guns are used to conserve resources for destroyers."
			
			required = { 13009 13010 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = destroyer value = 1 }
				command = { type = deactivate which = 13306 }
			}
		}
		application = {
			id = 13308
			name = "Carrier Task Force Doctrine"
			desc = "The independent use of carriers started off with a single carrier working alone with some cruisers and destroyers, and evolved into multiple carriers operating together.  This allowed carriers to combine their air groups into a concentrated whole.  This will allow the carriers to operate within range of land based aircraft for an extended period of time and compete for control of the air.  This would also allow for more effective defense against attacks from other carriers, and attacks against other naval vessels."
			
			required = { 13209 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 10 }
				command = { type = max_organization which = torpedo_plane value = 10 }
				command = { type = surface_detection which = carrier value = 1 }
				command = { type = air_defense which = carrier value = 1 }
			}
		}
		application = {
			id = 13309
			name = "Improved Invasion Organization"
			desc = "The first amphibious assaults of the war pointed out some deficiencies in the tactics and equipment that were in use at the time.  The need for specialized equipment was recognized as one of the immediate solutions to more effective amphibious operations.  Another problem was the coordination of the supporting naval forces and the troops ashore."
			
			required = { 13214 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = marine value = 10 }
			}
		}
		application = {
			id = 13310
			name = "Forward Logistical Support"
			desc = "In the wide reaches of the Pacific, established bases are few and far between.  This means that methods have to be developed that allow for the replenishment of fleet units in temporary bases that can be moved from location to location with the operations of the fleet."
			
			required = { 13007 13010 6022 6023 6024 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = range which = destroyer value = 500 }
				command = { type = range which = cruiser value = 1000 }
				command = { type = range which = battleship value = 1500 }
				command = { type = range which = carrier value = 1500 }
				command = { type = max_organization which = destroyer value = 3 }
				command = { type = max_organization which = cruiser value = 3 }
				command = { type = max_organization which = battleship value = 3 }
				command = { type = max_organization which = carrier value = 3 }
			}
		}
		application = {
			id = 13311
			name = "Submarine Wolfpack Doctrine"
			desc = "The concentration of merchant shipping behind the defenses of the convoy escorts meant that new tactics had to be devised to combat this.  The concept was to concentrate the attack submarines to overwhelm the escorts and attack the convoy.  This system started with the sighting of the convoy by a single submarine.  The submarine would then radio the position of the convoy to shoreside command and serve as a homing beacon for other submarines.  The shoreside command would vector other submarines into position to attack the convoy in concert with other submarines.  This meant that multiple attacks were frequent and subs were able to cycle their attacks and then race on the surface to get into position to make another attack."
			
			required = { 13010 13217 5208 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = submarine value = 5 }
				command = { type = surface_detection which = submarine value = 1 }
				command = { type = naval_attack which = submarine value = 2 }
			}
		}
}
	
	level = {
		id = 13400
		name = "Middle War Naval Experience Doctrines"
		desc = "As the war progressed, the tactics used by both sides continued to evolve.  The effectiveness of ASW escorts continued to improve as better equipment and tactics were devised.  The use of aircraft carriers also continued to evolve.  No longer were they limited to 'hit and run' tactics against land based aircraft.  They could come in and support amphibious operations and be confident that air superiority could be maintained in the face of concentrated airpower."
		
			cost = 4
			time = 720
			neg_offset = 75
			pos_offset = 150

		application = {
			id = 13408
			name = "Choke Point Control Doctrine"
			desc = "The concentration of naval power at narrow points within the ocean is vital for maintaining control of the routes that the convoys are required to take.  Control of the choke points prevents easy access to the sealanes by submarines and commerce raiders."
			
			required = { 13304 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = convoy_def_eff value = 50 }
			}
		}
		application = {
			id = 13409
			name = "Submarine Hunting Aircraft Doctrine"
			desc = "The use of aircraft to hunt submarines was important for removing areas in which submarines were able to 'get lost' and hide from searching surface units.  This meant that the convoys could be covered farther from shore which reduced the time that they were vulnerable to submarine attack."
			
			required = { 13304 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = naval_bomber value = 15 }
				command = { type = sub_detection which = naval_bomber value = 1 }
				command = { type = sub_attack which = naval_bomber value = 1 }	
			}
		}
		application = {
			id = 13410
			name = "Maritime Air Supremacy Doctrine"
			desc = "Control of the airspace over the fleet is important for the survival of the fleet in the face of attacks from land based and carrier based aircraft.  The use of a combat air patrol ensured that there were always aircraft aloft to defend the carrier from attack.  This also means that carrier based fighters would be used to establish air supremacy over an amphibious assault and provide protection from land based tactical bombers and fighters."
			
			required = { 13308 13309 6743 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 3 }
				command = { type = max_organization which = torpedo_plane value = 15 }
				command = { type = air_attack which = torpedo_plane value = 1 }
				command = { type = air_defense which = torpedo_plane value = 1 }
			}
		}
		application = {
			id = 13411
			name = "Naval Air Support Doctrine"
			desc = "Until the grouping of carriers into task forces with multiple carriers, the presence of land based aircraft limited carriers to 'hit and run' raids.  The concentration of carrier aircraft meant that carriers could now stay to support amphibious assaults with tactical attacks on targets onshore."
			
			required = { 13410 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 5 }
				command = { type = shore_attack which = carrier value = 4 }
				command = { type = tactical_attack which = torpedo_plane value = 2 }
			}
		}
		application = {
			id = 13412
			name = "Battleships Anti-Aircraft Screening Role Doctrine"
			desc = "The supremacy of naval airpower meant that it was becoming more difficult for battleships to operate in their traditional role as anti-surface units.  The new role for the modern fast battleships was as AA screening ships for the fast carrier task forces.  The great size and large reserve stability of the battleship made them ideal for holding the additional AA guns that were necessary for the role."
			
			required = { 13308 6618 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = air_defense which = battleship when = on_upgrade value = 2 }
				command = { type = air_attack which = battleship when = on_upgrade value = 2 }
				command = { type = air_detection which = battleship when = on_upgrade value = 1 }
				command = { type = naval_attack which = battleship when = on_upgrade value = -2 }
				command = { type = deactivate which = 13413 }
			}
		}
		application = {
			id = 13413
			name = "Independent Battleship Operations Doctrine"
			desc = "The supremacy of naval airpower meant that it was becoming more difficult for battleships to operate in their traditional role as anti-surface units.  That does not mean the end of this traditional role.  It does mean that battleships have to become more able to defend themselves against air attack and develop tactics to counter naval airpower."
			
			required = { 13107 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = battleship value = 15 }
				command = { type = air_defense which = battleship when = on_upgrade value = 1 }
				command = { type = air_attack which = battleship when = on_upgrade value = 1 }
				command = { type = deactivate which = 13412 }
			}
		}
		application = {
			id = 13414
			name = "Submarine Underway Replenishment Doctrine"
			desc = "The increasing range of ASW aircraft meant that submarines were forced to make longer transits to their patrol locations.  This meant that fuel, provisions, and torpedoes became valuable commodities.  Specialized supply submarines were used to transfer the necessary supplies while at sea.   They had extra large coolers for stocking meat and vegetables, and specialized spaces for storing torpedoes."
			
			required = { 13106 13211 5407 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = submarine value = 1 }
				command = { type = range which = submarine value = 1000 }
			}
		}
		application = {
			id = 13415
			name = "Advanced Invasion Organization"
			desc = "During the course of the war better methods were developed for attacking enemy shores.  One of the main discoveries was that specialized equipment was a necessary ingredient for a successful attack.  There also needed to be a provision for increased command and control of the forces ashore.  During the initial assault, coordination of the forces ashore can more efficiently resist counterattacks by enemy forces."

			required = { 13309 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = marine value = 10 }
			}
		}
		application = {
			id = 13416
			name = "Air Independent Submarine Propulsion Doctrine"
			desc = "As the war progressed, it was discovered that submarines operating on the surface were being destroyed more frequently.  In order to combat these losses new tactics had to be developed.  These new tactics dictated that the submarines were to remain submerged as often as possible.  The technology available meant that the submarines couldn't remain submerged for long periods of time due to limitations imposed by the batteries.  New methods of propulsion need to be developed to allow the submarines to operate while submerged more effectively."
			
			required = { 13106 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { }
			}
		}
		application = {
			id = 13417
			name = "Kamikaze Attacks (Japan Only)"
			desc = "Thanks to unique Japanese culture, their soldiers (bushi) were unable to admit defeat no matter the odds. When situation on the front became grim, Japan Navy reached for the most desperate way of fighting - suicide attacks, conducted by specially trained air and sea units. Historically, in late war period those attacks became prime threat for US Task Forces and took serious death toll among allied vessels."
			
			required = { 13504 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = new_model which = naval_bomber value = 4 }
			}
		}
	} # Level 5
	
	level = {
		id = 13500
		name = "Late War Naval Experience Doctrines"
		desc = "Naval tactics and logistics continued to evolve as the war progressed.  New technologies whose development was spurred by the war were now entering into production.  This allowed for more efficient use of naval assets against the enemy."
		
			cost = 4
			time = 720
			neg_offset = 75
			pos_offset = 150

		application = {
			id = 13509
			name = "Sea Lane Control Doctrine"
			desc = "Protection of the sea lanes necessary for maritime commerce had been a focus for a majority of the war.  But it wasn't just enough to protect the sea lanes from attacks by submarines and commerce raiders.  It is necessary to control the sea lanes with naval power and prevent the enemy from operating within the area.  This requires good sensors to pinpoint enemy units and the ability to strike from great distances."
			
			required = { 13408 6978 6979 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = convoy_def_eff value = 50 }
				command = { type = sub_detection which = destroyer value = 1 }
				command = { type = sub_attack which = destroyer value = 1 }
			}
		}
		application = {
			id = 13505
			name = "Hunter-Killer Group Doctrine"
			desc = "The use of small groups of escort carriers and destroyers or corvettes allowed the destroying of submarines before they could get into position to attack the convoys.  Aircraft from the carriers would make the first attack on the submarine and either sink it or drive it underneath the water where it was more difficult to leave the area.  Once the submarine was driven underwater, the destroyers would move in and complete the kill."
			
			required = { 13308 6933 6946 6978 }
		
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 5 }
				command = { type = max_organization which = destroyer value = 5 }
				command = { type = sub_detection which = carrier value = 1 }
				command = { type = sub_detection which = destroyer value = 1 }
				command = { type = sub_attack which = torpedo_plane value = 2 }
				command = { type = sub_attack which = destroyer value = 1 }
			}
		}
		application = {
			id = 13506
			name = "Airborne Radar Warning Doctrine"
			desc = "The development of a long range radar set that was small enough to mount on a carrier based aircraft, a specialized early warning aircraft was developed.  This allowed for the early detection of low flying aircraft because of the more distant radar horizon provided by the altitude of the aircraft."
			
			required = { 13410 3901 3972 9806 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 3 }
				command = { type = max_organization which = torpedo_plane value = 3 }
				command = { type = air_detection which = carrier value = 3 }
				command = { type = surface_detection which = carrier value = 3 }
				command = { type = air_attack which = carrier value = 2 }
				command = { type = air_attack which = torpedo_plane value = 2 }
				command = { type = air_defense which = torpedo_plane value = 1 }
			}
		}
		application = {
			id = 13507
			name = "Maritime Power Projection Doctrine"
			desc = "The ability of carriers to project power inshore was limited by the range of the aircraft involved.  With the development of longer range aircraft, carriers were able to project naval power to targets which were previously out of reach.  This meant that naval aircraft were tasked to attack targets like factories, lines of communications, and other targets which had been reserved for land based aircraft."
			
			required = { 13411 6982 6948 9806 }
			chance = 90
			cost = 2
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { type = max_organization which = carrier value = 3 }
				command = { type = max_organization which = torpedo_plane value = 5 }
				command = { type = strategic_attack which = torpedo_plane value = 2 }
				command = { type = tactical_attack which = torpedo_plane value = 1 }
			}
		}
		application = {
			id = 13508
			name = "Nuclear Support Organization"
			desc = "The use of nuclear propulsion will free our naval vessels from the limitations of the fuel endurance.  Unfortunately, in addition to developing the technology required for nuclear propulsion we need to develop the infrastructure to support those nuclear vessels.  The development of standards for inspections, and for training of specialized engineering crews to man the vessels will have to be developed."
			
			required = { }
			chance = 90
			cost = 4
			time = 180
			neg_offset = 45
			pos_offset = 90
			
			effects = {
				command = { }
			}
		}

	} # Level 6
}
