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Naval Doctrine Tech Tree

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Decisive Battle

Decisive Battle Doctrine

  • Historic Year: 1936
  • Prerequisites: None
  • Effects:

8 - large_taskforce_tactics - Capital Ship Focus

8 - large_taskforce_tactics - Task Force Co-ordination

8 - large_taskforce_tactics - Task Force Concentration

8 - large_taskforce_tactics - Mahanian Theory

8 - centralized_execution - Naval HQ Infrastructure

Naval Firepower Doctrine

  • Historic Year: 1937
  • Prerequisites: None
  • Effects:

8 - naval_training - Basic Gun Control

8 - naval_training - Basic Task Force Fire

8 - naval_artillery - Main Armament Focus

8 - naval_artillery - Basic Armament

8 - naval_training - Basic Gunnery Training

Fleet Auxiliary Carrier Doctrine

  • Historic Year: 1937
  • Prerequisites: None
  • Effects:
  • Enable Mission Type: naval_port_strike
  • Enable Mission Type: naval_airbase_strike
  • Max Positioning carrier 0.3
  • Min Positioning carrier 0.1

8 - naval_training - Basic Flight Deck Operations

8 - carrier_tactics - Aerial Reconnaissance

8 - large_taskforce_tactics - Surface Combat Engagement Prioritization

8 - carrier_tactics - Carrier Maneouvring

8 - piloting - Carrier Aviation School

Fleet Auxiliary Submarine Doctrine

  • Historic Year: 1937
  • Prerequisites: None
  • Effects:

8 - submarine_tactics - Warship Targeting

8 - submarine_tactics - Submarine Reconnaissance Role

8 - submarine_tactics - Warship Patrol Routes Focus

8 - submarine_tactics - Surface Combat Engagement Prioritization

8 - seamanship - Submarine Warfare School

Convoy Sailing Doctrine

  • Historic Year: 1937
  • Prerequisites: None
  • Effects:
  • We may now build convoy escorts.
  • Enable Mission Type: asw
  • Max Positioning destroyer 0.3
  • Min Positioning destroyer 0.1
  • Convoy Escort Efficiency 0.25

8 - naval_training - Basic Merchant Ship Direction

8 - electronics - Wireless Ship-to-Ship Communication

8 - large_taskforce_tactics - Co-ordinated Sailings

8 - seamanship - Effective Merchant Captains

8 - large_taskforce_tactics - Basic Convoy Evasive Maneouvres

Base Strike Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization naval 15
  • Morale naval 20
  • TECH 8070
  • TECH 8080

8 - large_taskforce_tactics - Offensive Posture

8 - naval_engineering - Basic Forward Naval Bases

8 - seamanship - Targets of Opportunity

8 - naval_training - Offensive Weaponry Focus

8 - naval_training - Enemy Infrastructure Focus

Fleet-in-Being Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization naval 20
  • Morale naval 10
  • TECH 8060
  • TECH 8080

8 - large_taskforce_tactics - Defensive Posture

8 - naval_engineering - Naval Base Defenses

8 - seamanship - Risk Aversion

8 - naval_training - Defensive Weaponry Focus

8 - naval_training - Enemy Deployments Focus

Sealane Interdiction Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization naval 20
  • Morale naval 20
  • TECH 8060
  • TECH 8070

8 - small_taskforce_tactics - Jeune École Theory

8 - naval_training - Enemy Shipping Focus

8 - seamanship - Basic Evasion Techniques

8 - naval_engineering - Long-Distance Warships

8 - centralized_execution - Basic Sealane Intelligence

Indirect Approach Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:

8 - naval_engineering - Torpedo Focus

8 - decentralized_execution - Independent Admiral Mindset

8 - naval_training - Enemy Warship Avoidance Focus

8 - naval_training - Selective Engagements

8 - naval_training - Basic Night Combat Training

Subsidiary Carrier Role Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:
  • Max Positioning carrier 0.05
  • Min Positioning carrier 0.05
  • Efficiency: naval_port_strike 0.1
  • Efficiency: naval_airbase_strike 0.1

8 - carrier_tactics - Task Force Combat Air Patrol

8 - carrier_tactics - Defensive Carrier Mindset

8 - carrier_tactics - Anti-Aircraft Role

8 - large_taskforce_tactics - Co-ordination with Battle Fleet

8 - naval_training - Improved Flight Deck Operations

Carrier Task Force Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Max Positioning carrier 0.1
  • Min Positioning carrier 0.1
  • Max Positioning heavy_cruiser 0.05
  • Min Positioning heavy_cruiser 0.05
  • Max Positioning light_cruiser 0.05
  • Min Positioning light_cruiser 0.05
  • Max Positioning destroyer 0.05
  • Min Positioning destroyer 0.05
  • Efficiency: naval_port_strike 0.1
  • Efficiency: naval_airbase_strike 0.1

8 - large_taskforce_tactics - Basic Carrier Co-ordination

8 - carrier_tactics - Long-Range Aviation Strikes

8 - carrier_tactics - Independent Carrier Operations

8 - carrier_tactics - Offensive Carrier Mindset

8 - naval_training - Advanced Flight Deck Operations

Battlefleet Concentration Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Max Positioning battleship 0.2
  • Min Positioning battleship 0.2
  • Max Positioning battlecruiser 0.2
  • Min Positioning battlecruiser 0.2
  • Max Positioning heavy_cruiser 0.1
  • Min Positioning heavy_cruiser 0.1
  • Max Positioning light_cruiser 0.1
  • Min Positioning light_cruiser 0.1
  • Snow Attack battleship 5
  • Rain Attack battleship 5
  • Snow Attack battlecruiser 5
  • Rain Attack battlecruiser 5
  • Night Attack battleship 5
  • Night Defence battleship 5
  • Night Attack battlecruiser 5
  • Night Defence battlecruiser 5

8 - large_taskforce_tactics - Single Main Task Force

8 - centralized_execution - Hierarchical Admiralty

8 - large_taskforce_tactics - Task Force Integration

8 - naval_training - Improved Task Force Fire Co-ordination

8 - centralized_execution - Enemy Battlefield Intelligence Focus

Hunter-Killer Group Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:
  • Max Positioning destroyer 0.1
  • Min Positioning destroyer 0.1
  • Convoy Escort Efficiency 0.1
  • Efficiency: asw 0.1

8 - small_taskforce_tactics - Destroyer ASW Role

8 - decentralized_execution - Independent Submarine Hunting

8 - small_taskforce_tactics - Hunter-Killer Group Co-ordination

8 - naval_artillery - Basic Destroyer ASW Weaponry

8 - seamanship - Aggressive Destroyer Captains

Aerial Convoy Defence Doctrine

  • Historic Year: 1942
  • Prerequisites: None
  • Effects:
  • Max Positioning destroyer 0.1
  • Min Positioning destroyer 0.1
  • Efficiency: asw 0.1
  • Convoy Escort Efficiency 0.1

8 - aircraft_testing - Coastal Airbases

8 - aircraft_testing - Land-based Reconnaissance

8 - aircraft_testing - Long-Range Naval Aircraft

8 - bomber_tactics - Aircraft ASW Role

8 - aircraft_testing - Basic Aerial ASW Weaponry

Raider Patrol Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Efficiency: convoy_raiding 0.05
  • Max Positioning heavy_cruiser 0.1
  • Min Positioning heavy_cruiser 0.1
  • Max Positioning light_cruiser 0.1
  • Min Positioning light_cruiser 0.1
  • Max Positioning destroyer 0.1
  • Min Positioning destroyer 0.1

8 - small_taskforce_tactics - Single Naval Sorties

8 - seamanship - Improved Evasion Techniques

8 - naval_training - Surface Sea-Lane Patrol Focus

8 - small_taskforce_tactics - Cruiser Raiding

8 - centralized_execution - Basic Raider Co-ordination

Trade Interdiction Submarine Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:
  • Max Positioning submarine 0.1
  • Min Positioning submarine 0.1
  • Efficiency: convoy_raiding 0.1

8 - submarine_tactics - Merchant Targeting

8 - submarine_tactics - Submarine Sea-Lane Patrol Focus

8 - seamanship - Skilled Submariners

8 - centralized_execution - Basic Convoy Surveillance

8 - submarine_tactics - Independent Submarine Operations

Unrestricted Submarine Warfare Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Max Positioning submarine 0.2
  • Min Positioning submarine 0.2
  • Efficiency: convoy_raiding 0.1
  • Snow Attack submarine 5
  • Rain Attack submarine 5
  • Night Attack submarine 5
  • Night Defence submarine 5

8 - naval_engineering - Submarine Construction Focus

8 - submarine_tactics - Submarine Tactical Flexibility

8 - submarine_tactics - Long-Range Submarine Operations

8 - submarine_tactics - Targets of Opportunity Exploitation

8 - submarine_tactics - Basic Submarine Evasion Techniques

Indirect Strike Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • max_organization naval 10
  • Morale naval 20

8 - naval_training - Improved Night Combat Training

8 - combined_arms_focus - Basic Land-Air Co-ordination

8 - decentralized_execution - Devolved Tactical Command

8 - naval_engineering - Basic Forward Bases

8 - carrier_tactics - Multiple Engagements Focus

Naval Attrition Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • max_organization naval 15
  • Morale naval 10

8 - naval_artillery - Improved Armament

8 - naval_training - Improved Gunnery Training

8 - naval_training - Enemy Task Force Focus

8 - seamanship - Risk Assessment

8 - naval_training - Improved Gun Control

Commerce Defence Doctrine

  • Historic Year: 1941
  • Prerequisites:
  • Effects:
  • max_organization naval 15
  • Morale naval 10
  • Convoy Escort Efficiency 0.1
  • Efficiency: asw 0.1

8 - naval_artillery - Improved Destroyer ASW Weaponry

8 - naval_training - Improved Merchant Ship Direction

8 - naval_engineering - Merchant Ship Construction Prioritization

8 - large_taskforce_tactics - Improved Convoy Evasive Manoeuvres

8 - small_taskforce_tactics - Emergency Convoy Dispersal

Commerce Raider Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • max_organization naval 15
  • Morale naval 25

8 - centralized_execution - Improved Raider Co-ordination

8 - seamanship - Advanced Evasion Techniques

8 - centralized_execution - Improved Sealane Intelligence

8 - centralized_execution - Naval HQ Raider Focus

8 - seamanship - Raider School

Decisive Interdiction Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • max_organization naval 15
  • Morale naval 25

8 - small_taskforce_tactics - Raider Concentration

8 - naval_engineering - Disguised Resupply Vessels

8 - aircraft_testing - Aircraft Interdiction Role

8 - naval_training - Target Prioritization

8 - naval_training - Decisive Engagement Focus

Deep Operations Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • Max Positioning carrier 0.1
  • Min Positioning carrier 0.1
  • Max Positioning battleship 0.1
  • Min Positioning battleship 0.1
  • Max Positioning battlecruiser 0.1
  • Min Positioning battlecruiser 0.1
  • Max Positioning heavy_cruiser 0.1
  • Min Positioning heavy_cruiser 0.1
  • Max Positioning light_cruiser 0.1
  • Min Positioning light_cruiser 0.1
  • Max Positioning destroyer 0.05
  • Min Positioning destroyer 0.05
  • Snow Attack battleship 5
  • Rain Attack battleship 5
  • Night Attack battleship 5
  • Night Defence battleship 5
  • Snow Attack battlecruiser 5
  • Rain Attack battlecruiser 5
  • Night Attack battlecruiser 5
  • Night Defence battlecruiser 5
  • max_organization naval 10
  • Efficiency: naval_port_strike 0.05
  • Efficiency: naval_airbase_strike 0.05
  • Efficiency: convoy_raiding 0.05

8 - naval_engineering - Basic Underway-Refueling

8 - combined_arms_focus - Improved Land-Air Co-ordination

8 - aircraft_testing - Basic Long-Range Aerial Recon

8 - technical_efficiency - Logistic Requirement Minimization

8 - management - Reliance on Naval Bases Reduction

Carrier Aviation Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • Max Positioning carrier 0.1
  • Min Positioning carrier 0.1
  • Max Positioning heavy_cruiser 0.05
  • Min Positioning heavy_cruiser 0.05
  • Max Positioning light_cruiser 0.05
  • Min Positioning light_cruiser 0.05
  • Max Positioning destroyer 0.05
  • Min Positioning destroyer 0.05
  • Snow Attack carrier 5
  • Rain Attack carrier 5
  • Night Attack carrier 5
  • Night Defence carrier 5
  • Efficiency: naval_port_strike 0.1
  • Efficiency: naval_airbase_strike 0.1

8 - small_taskforce_tactics - Co-ordinated Airstrikes

8 - carrier_tactics - Integrated Combat Air Patrol

8 - carrier_tactics - Improved Carrier Co-ordination

8 - carrier_tactics - Improved Long-Range Aerial Recon

8 - naval_engineering - Sophisticated Carrier Damage Control

Escort Carrier Role Doctrine

  • Historic Year: 1942
  • Prerequisites: None
  • Effects:
  • Efficiency: asw 0.1
  • Convoy Escort Efficiency 0.1

8 - large_taskforce_tactics - Convoy-Task Force Co-ordination

8 - naval_engineering - Rapid Carrier Construction

8 - carrier_tactics - Carrier ASW Role

8 - aircraft_testing - Improved Aerial ASW Weaponry

8 - seamanship - Small Carrier Seamanship

Integrated Convoy Defence Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • Max Positioning destroyer 0.1
  • Min Positioning destroyer 0.1
  • Efficiency: asw 0.1
  • Convoy Escort Efficiency 0.1
  • Snow Attack destroyer 5
  • Rain Attack destroyer 5
  • Night Attack destroyer 5
  • Night Defence destroyer 5

8 - naval_artillery - Advanced Destroyer ASW Weaponry

8 - large_taskforce_tactics - Advanced Convoy Evasive Measures

8 - centralized_execution - Sophisticated Convoy Command HQ

8 - naval_engineering - Escort Construction Prioritization

8 - small_taskforce_tactics - Escort Co-ordination

Fleet Train Doctrine

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • Max Positioning carrier 0.05
  • Min Positioning carrier 0.05
  • Max Positioning destroyer 0.05
  • Min Positioning destroyer 0.05
  • Snow Attack destroyer 5
  • Rain Attack destroyer 5
  • Night Attack destroyer 5
  • Night Defence destroyer 5

8 - technical_efficiency - Supply Chain Management

8 - centralized_execution - Integrated Merchant Timetable

8 - centralized_execution - Improved Underway-Refueling

8 - naval_engineering - War Material Prioritization

8 - technical_efficiency - Wolfpack Doctrine

Capital Ship Raider Group Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • Max Positioning battleship 0.1
  • Min Positioning battleship 0.1
  • Max Positioning battlecruiser 0.1
  • Min Positioning battlecruiser 0.1
  • Efficiency: convoy_raiding 0.05
  • Snow Attack battleship 5
  • Rain Attack battleship 5
  • Night Attack battleship 5
  • Night Defence battleship 5
  • Snow Attack battlecruiser 5
  • Rain Attack battlecruiser 5
  • Night Attack battlecruiser 5
  • Night Defence battlecruiser 5

8 - centralized_execution - Advanced Raider Co-ordination

8 - small_taskforce_tactics - Battleship Raiding

8 - small_taskforce_tactics - Co-ordinated Raider Sailings

8 - seamanship - Independent Capital Ship Captains

8 - centralized_execution - Advanced Sealane Intelligence

Wolfpack Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • Max Positioning submarine 0.1
  • Min Positioning submarine 0.1
  • Efficiency: convoy_raiding 0.1
  • Snow Attack submarine 5
  • Rain Attack submarine 5
  • Night Attack submarine 5
  • Night Defence submarine 5

8 - submarine_tactics - Submarine Co-ordination

8 - seamanship - Timing of Engagement Discipline

8 - submarine_tactics - Improved Submarine Evasion Techniques

8 - centralized_execution - Improved Convoy Surveillance

8 - centralized_execution - Basic Submarine HQs

Advanced Submarine Operations Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • Max Positioning submarine 0.1
  • Min Positioning submarine 0.1
  • Efficiency: convoy_raiding 0.1
  • Snow Attack submarine 5
  • Rain Attack submarine 5
  • Night Attack submarine 5
  • Night Defence submarine 5

8 - submarine_tactics - Advanced Submarine Evasion Techniques

8 - centralized_execution - Advanced Convoy Surveillance

8 - centralized_execution - Improved Submarine HQs

8 - management - Turnaround Time Minimization

8 - seamanship - Experienced Submariners

Floating Fortress Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:
  • Max Positioning battleship 0.1
  • Min Positioning battleship 0.1
  • Max Positioning battlecruiser 0.1
  • Min Positioning battlecruiser 0.1
  • Max Positioning heavy_cruiser 0.1
  • Min Positioning heavy_cruiser 0.1
  • Max Positioning light_cruiser 0.1
  • Min Positioning light_cruiser 0.1
  • Max Positioning destroyer 0.05
  • Min Positioning destroyer 0.05
  • Snow Attack battleship 5
  • Rain Attack battleship 5
  • Night Attack battleship 5
  • Night Defence battleship 5
  • Snow Attack battlecruiser 5
  • Rain Attack battlecruiser 5
  • Night Attack battlecruiser 5
  • Night Defence battlecruiser 5

8 - naval_training - Advanced Task Force Fire Co-ordination

8 - naval_artillery - Advanced Armament

8 - naval_training - Advanced Gunnery Training

8 - naval_training - Advanced Gun Control

8 - naval_engineering - Sophisticated Capital Ship Damage Control

Massive Strike Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization naval 15
  • Morale naval 20
  • Efficiency: naval_port_strike 0.05
  • Efficiency: naval_airbase_strike 0.05

8 - naval_training - Advanced Night Combat Training

8 - combined_arms_focus - Advanced Land-Air Co-ordination

8 - naval_engineering - Improved Forward Bases

8 - large_taskforce_tactics - Strategic Concentration of Forces

8 - carrier_tactics - Overwhelming Attack Focus

Maritime Power Projection Doctrine

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • max_organization naval 20
  • Morale naval 20

8 - naval_engineering - Advanced Underway-Refueling

8 - naval_training - Long-Distance Offensive Focus

8 - large_taskforce_tactics - Sophisticated Task Force Co-ordination

8 - aircraft_testing - Long-Range Naval Aircraft

8 - large_taskforce_tactics - Multiple Avenues of Advance

Floating Airbase Doctrine

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • Max Positioning battleship 0.1
  • Min Positioning battleship 0.1
  • Max Positioning battlecruiser 0.1
  • Min Positioning battlecruiser 0.1
  • Max Positioning heavy_cruiser 0.1
  • Min Positioning heavy_cruiser 0.1
  • Max Positioning light_cruiser 0.1
  • Min Positioning light_cruiser 0.1
  • Snow Attack carrier 5
  • Rain Attack carrier 5
  • Night Attack carrier 5
  • Night Defence carrier 5

8 - carrier_tactics - Sophisticated CAP-TF Co-ordination

8 - small_taskforce_tactics - Destroyer Picket Lines

8 - submarine_tactics - Submarine Recon and Recovery Role

8 - naval_engineering - Integrated Anti-Aircraft Weaponry

8 - large_taskforce_tactics - Capital Ship Support Role

Carrier Warfare Doctrine

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • Max Positioning carrier 0.1
  • Min Positioning carrier 0.1
  • Max Positioning heavy_cruiser 0.1
  • Min Positioning heavy_cruiser 0.1
  • Max Positioning light_cruiser 0.1
  • Min Positioning light_cruiser 0.1
  • Snow Attack carrier 5
  • Rain Attack carrier 5
  • Night Attack carrier 5
  • Night Defence carrier 5
  • Efficiency: naval_port_strike 0.1
  • Efficiency: naval_airbase_strike 0.1

8 - naval_engineering - Intensive Anti-Aircraft Defence

8 - large_taskforce_tactics - Carrier Fleet Train

8 - carrier_tactics - Advanced Carrier Co-ordination

8 - carrier_tactics - Advanced Long-Range Aerial Recon

8 - seamanship - Experienced Carrier Captains


Tech ID's for modders - I'll probably integrate them more neatly at a future point, but busy right now. - setting up tech files for the naval doctrine tree is probably the worst - thus the detailed dump. -KM

      1. NAVAL DOCTRINE TECHS###
  1. Central Chain#

8010 #Decisive Battle Doctrine 8020 #Naval Firepower 8030 #Fleet Aux Carrier 8040 #Fleet Aux Sub 8050 #Convoy Sailing

  1. Main 3 branches#

8060 #Base Strike 8090 #Indirect Approach 8100 #Subsidiary CV role 8110 #Carrier Task Force

8070 #Fleet in Being 8120 #Battlefleet Conc 8100 #Subsidiary CV Role 8130 #Hunter-Killer Group 8310 #Floating Fortress

8080 #Sealane Interdiction 8150 #Raider Patrol 8160 #Trade Interd Sub 8170 #Unrest. Sub Warfare

  1. FiB Naval Attrition Chain#

8190 #Naval Attrition 8090 #Indirect Approach 8110 #Carrier Task Force 8160 #Trade Interd Sub

  1. FiB Maritime Power Chain#

8330 #Maritime Power 8340 #Floating Airbase 8240 #Carrier Aviation

  1. FiB Commerce Defense Chain#

8200 #Commerce Defense# 8250 #Escort Carrier Role 8140 #Aerial Convoy Def 8260 #Integr Convoy Def

  1. BS Indirect Strike Chain#

8180 #Indirect Strike 8230 #Deep Operations 8160 #Trade Interd Sub 8170 #Unrest. Sub Warfare 8130 #Hunter-Killer Group 8250 #Escort Carrier Role 8140 #Aerial Convoy Def

  1. BS Massive Strike Chain#

8320 #Massive Strike 8240 #Carrier Aviation 8270 #Fleet Train 8350 #Carrier Warfare 18000 #Carrier Group Doctrine 18010 #Amphibious Operations

  1. SI Commerce Raider Chain#

8210 #Commerce Raider 8280 #Cap Ship Raider 8290 #Wolfpack 8300 #Adv Sub Ops

  1. SI Decisive Interd Chain

8220 #Decisive Interd 8310 #Floating Fortress 8100 #Subsidiary CV Role