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Air Doctrine Tech Tree

Air Superiority

Air Superiority Doctrine

  • Historic Year: 1936
  • Prerequisites: None
  • Effects:
  • max_organization interceptor 2
  • Morale interceptor 2
  • max_organization multi_role 2
  • Morale multi_role 2
  • max_organization escort 2
  • Morale escort 2
  • max_organization cag 2
  • Morale cag 2
  • Enable Mission Type: ground_attack
  • Enable Mission Type: interdiction
  • Enable Mission Type: naval_strike
  • Enable Mission Type: logistical_strike
  • Enable Mission Type: strategic_bombardment
  • Enable Mission Type: port_strike
  • Enable Mission Type: installation_strike
  • Enable Mission Type: runway_cratering
  • Enable Mission Type: convoy_air_raiding

5 -   - Tactical Unit - Wing

5 -   - Combat Air Patrol Testing

5 -   - Bomb Run Testing

5 -   - Army Air Support

5 -   - Counter-Air Tactics

Flying Circus Doctrine

  • Historic Year: 1936
  • Prerequisites:
  • Effects:
  • max_organization interceptor 2
  • Morale interceptor 2
  • max_organization multi_role 2
  • Morale multi_role 2
  • max_organization escort 2
  • Morale escort 2
  • max_organization cag 2
  • Morale cag 2

5 -   - All-metal Airframes

5 -   - Peacetime Training

5 -   - Extensive Performance Testing

5 -   - Small Unit Training

5 -   - Basic Flying Experience

Force Substitution Doctrine

  • Historic Year: 1936
  • Prerequisites:
  • Effects:
  • max_organization interceptor 2
  • Morale interceptor 2
  • max_organization multi_role 2
  • Morale multi_role 2
  • max_organization escort 2
  • Morale escort 2
  • max_organization cag 2
  • Morale cag 2

5 -   - Tactical Unit - Flight

5 -   - Fighter Tactics

5 -   - Specialized Gunsights

5 -   - Air Superiority Spirit

5 -   - Fighter Unit Specialization

Battlefield Destruction Doctrine

  • Historic Year: 1936
  • Prerequisites:
  • Effects:
  • max_organization cas 10
  • Morale cas 10
  • Efficiency: ground_attack 0.5

3 -   - Small Bomb Bays

3 -   - Tank-Buster Bombs

3 -   - Basic Forward Air Controllers

3 -   - Battlefield Air Support

3 -   - Fire-Brigade Spirit

Dive Bombing Doctrine

  • Historic Year: 1937
  • Prerequisites:
  • Effects:
  • max_organization cas 5
  • Morale cas 5

3 -   - Early Precision Bomb Runs

3 -   - Offensive Air Support

3 -   - Diving Ability

3 -   - Diving Training

3 -   - Close Air Support Spirit

Direct Ground Support Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization cas 5
  • Morale cas 5

3 -   - Early Frontline Air Controllers

3 -   - Combat Support Patrols

3 -   - Emergency Service Spirit

3 -   - Early Specialized Bombsights

3 -   - Basic Ground Attack Ordnance

Bomber Veteran Initiative

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization cas 5
  • Morale cas 5
  • Snow Attack cas 10
  • Rain Attack cas 10
  • Snow Attack cag 10
  • Rain Attack cag 10

3 -   - Moral Superiority Spirit

3 -   - Bad Weather Adaptation

3 -   - Specialized Bombing Training

3 -   - Individual Aircraft Adaptation

3 -   - Ground Attack Tactics

Night Strikes Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Night Attack cas 10
  • Night Defence cas 50
  • max_organization cas 5
  • Morale cas 5

3 -   - Very Early Bomb Illuminators

3 -   - Basic Night Bombsights

3 -   - Basic Night Flying Training

3 -   - Night Flying Experience

3 -   - Small Air Unit Tactics

Operational Destruction Doctrine

  • Historic Year: 1937
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 10
  • Morale tactical_bomber 10
  • max_organization naval_bomber 10
  • Morale naval_bomber 10

3 -   - Armor-penetration Bombs

3 -   - Carpet Bombing

3 -   - Bombing Practise

3 -   - Early Air Campaign Management

3 -   - Medium Bomb Bays

Battlefield Interdiction Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 5
  • Morale tactical_bomber 5
  • max_organization naval_bomber 5
  • Morale naval_bomber 5
  • Enable Mission Type: airborne_assault
  • Efficiency: airborne_assault 0.3

3 -   - Opportunity Strike Co-ordination

3 -   - Interdiction Patrols

3 -   - Airborne Assault Tactics

3 -   - Airborne Landing Techniques

3 -   - Logistical Strike Tactics

Strafing Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 5
  • Morale tactical_bomber 5
  • max_organization naval_bomber 5
  • Morale naval_bomber 5
  • Efficiency: interdiction 0.5
  • Efficiency: naval_strike 0.5
  • Efficiency: convoy_air_raiding 0.5

3 -   - Armor-penetration Ammunition

3 -   - Large Ammunition Storage

3 -   - Strafing Training

3 -   - Armored Fuselage

3 -   - Multiple Bomb Runs

Logistical Strike Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 5
  • Morale tactical_bomber 5
  • max_organization naval_bomber 5
  • Morale naval_bomber 5
  • Efficiency: logistical_strike 0.5

3 -   - Logistical Hub Bombing

3 -   - Line of Communication Interdiction

3 -   - Basic Precision Bombing Training

3 -   - Early Airdropped Mines

3 -   - Area Interdiction

Night Strafing Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Night Attack tactical_bomber 10
  • Night Defence tactical_bomber 50
  • Night Attack naval_bomber 10
  • Night Defence naval_bomber 50
  • max_organization tactical_bomber 5
  • Morale tactical_bomber 5
  • max_organization naval_bomber 5
  • Morale naval_bomber 5

3 -   - Early Night Gunsight

3 -   - Basic Ground Illumination

3 -   - Night Strafing Training

3 -   - Tracer Ammunition

3 -   - Night Air Superiority Spirit

Strategic Destruction Doctrine

  • Historic Year: 1937
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 10
  • Morale strategic_bomber 10
  • max_organization transport_plane 10
  • Morale transport_plane 10
  • Efficiency: strategic_bombardment 0.5

3 -   - Early Massed Bomb Run Tactics

3 -   - Defensive Bomber Formations

3 -   - High-altitude Bombsights

3 -   - Large Bomb Bays

3 -   - Area Target Bombing

Escort Box System Doctrine

  • Historic Year: 1938
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 5
  • Morale strategic_bomber 5
  • max_organization transport_plane 5
  • Morale transport_plane 5
  • Cost escort -2

3 -   - Bomber Escort Tactics

3 -   - Escort Tactics Training

3 -   - External Fuel Tanks

3 -   - Early Fighter Suppression Spirit

3 -   - Bomber-Escort Coordination

Combat-Bombardment Groups Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 5
  • Morale strategic_bomber 5
  • max_organization transport_plane 5
  • Morale transport_plane 5

3 -   - Combined Command Net

3 -   - Basic Carpet Bombing Tactics

3 -   - Low-altitude Bombsights

3 -   - Early AA Suppression

3 -   - Combat Bombing Spirit

Dead Reckoning Bombardment Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 5
  • Morale strategic_bomber 5
  • max_organization transport_plane 5
  • Morale transport_plane 5

3 -   - Precise Navigation Instruments

3 -   - Navigator Training

3 -   - Preset Coordinate Bombing

3 -   - Early AA Evasion

3 -   - Tactical Unit - Bomber Flight

Night Bombardment Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • Night Attack strategic_bomber 10
  • Night Defence strategic_bomber 50
  • max_organization strategic_bomber 5
  • Morale strategic_bomber 5
  • max_organization transport_plane 5
  • Morale transport_plane 5

3 -   - Night Bombsights

3 -   - Pathfinder Planes

3 -   - Improved Ground Illuminators

3 -   - Night Bombing Training

3 -   - Pre-planned Bomb Runs

First Strike

First Strike Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:
  • Night Attack interceptor 10
  • Night Attack multi_role 5
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3

4 -   - Enemy Air Force Suppression Tactics

4 -   - Frontline Airspace Domination

4 -   - Early Fighter Radar Guidance

4 -   - Fighter Patrol Tactics

4 -   - Unimpeded Air Superiority Spirit

Dispersed Fighting Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3

4 -   - Forward Air Commands

4 -   - Individual Fighter Sweeps

4 -   - Frontline Field Airbase Use

4 -   - Rough Landing and Take-off Capability

4 -   - Dispersed Fighting Training

Frontal Missions Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3

4 -   - Frontline Air Patrols

4 -   - Army-Airforce Radio-net

4 -   - On-call Fighter Flights

4 -   - Close Fighter Cover

4 -   - Fighter Sweep Training

Fighter Veteran Initiative

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3
  • Snow Attack interceptor 5
  • Rain Attack interceptor 5
  • Snow Attack multi_role 10
  • Rain Attack multi_role 10
  • Snow Attack cag 10
  • Rain Attack cag 10

4 -   - Rough Weather Capability

4 -   - Rough Weather Training

4 -   - Individual Training Spirit

4 -   - Fighter Unit Specialization

4 -   - All-weather Gunsights

Perimeter Defence

Perimeter Defence Doctrine

  • Historic Year: 1939
  • Prerequisites: None
  • Effects:
  • Night Defence escort 50
  • Night Defence multi_role 25
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3

4 -   - Pre-set Radar Fighter Guidance

4 -   - Forward Air Controller Training

4 -   - Individual Fighter Guidance

4 -   - Specialized Area Defense Tactics

4 -   - Fighter Unit Coordination Training

Formation Fighting Doctrine

  • Historic Year: 1939
  • Prerequisites:
  • Effects:
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3
  • Cost escort -10

4 -   - Close Escort Tactics

4 -   - Multiple Wing Coordination

4 -   - Pre-planned Air Missions

4 -   - Formation Flying

4 -   - Extensive Flying Testing

Home Defence Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3

4 -   - Centralized Fighter Coordination

4 -   - Basic Fighter Concentration

4 -   - Basic Radar-guided Interception

4 -   - Coordinated Interception Training

4 -   - Area Defense Training

Recon Skirmisher Doctrine

  • Historic Year: 1940
  • Prerequisites:
  • Effects:
  • max_organization interceptor 3
  • Morale interceptor 3
  • max_organization multi_role 3
  • Morale multi_role 3
  • max_organization escort 3
  • Morale escort 3
  • max_organization cag 3
  • Morale cag 3

4 -   - Combat Reconnaisance Tactics

4 -   - Opportunity Strike Tactics

4 -   - Large Area Fighter Coordination

4 -   - Combat Reconnaisance Planes

4 -   - Chance Encounter Training

Combat Unit Destruction Doctrine

  • Historic Year: 1941
  • Prerequisites:
  • Effects:
  • max_organization cas 10
  • Morale cas 10

4 -   - Troop Concentration Bombing

4 -   - HQ Destruction Attacks

4 -   - Basic AA Evasion

4 -   - Combat Unit Suppression

4 -   - Regional Airstrike Command

Hunt & Destroy Groups Doctrine

  • Historic Year: 1941
  • Prerequisites:
  • Effects:
  • max_organization cas 10
  • Morale cas 10
  • Cost cas -10

4 -   - Frontline Combat Air Patrol

4 -   - Opportunity Strikes Doctrine

4 -   - Area Bombing Campaigns

4 -   - Coordinated Offensive Bombing

4 -   - Extreme-range Artillery Spirit

Low Echelon CAS Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization cas 10
  • Morale cas 10
  • Cost cas -10

4 -   - Division-attached Air Support

4 -   - Local Air Operations

4 -   - Basic Small-scale Bombruns

4 -   - Coordinated Air-Land Operations

4 -   - CAS Training

Bomber Ace Initiative

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization cas 10
  • Morale cas 10
  • Cost cas -10
  • Snow Attack cas 10
  • Rain Attack cas 10
  • Snow Attack cag 10
  • Rain Attack cag 10

4 -   - Individual Training

4 -   - Individual Morale Superiority

4 -   - Long-time Unit Cohesion

4 -   - Specialized Bombers

4 -   - Tutor Replacement Integration

Offensive Fighter Box doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5

4 -   - Offensive Fighter Tactics

4 -   - Basic Fighter Concentration

4 -   - Forward Air Controlling Facilities

4 -   - External Fuel Tanks

4 -   - Fighter Suppression Training

Fighter Baiting Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5
  • Cost interceptor -10

4 -   - Flying Ambush Tactic

4 -   - Bait Execution

4 -   - Enemy Intelligence Suppression

4 -   - Long-range Radar Detection

4 -   - Preplanned Missions

Dogfight Experiment Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5
  • Cost interceptor -10

4 -   - Improved Dogfighting Training

4 -   - Improved Anti-Fighter Combat

4 -   - Wind Tunnel Testing

4 -   - Dogfight Gunsights

4 -   - Dogfight Preparation Tactics

Fighter Ace Initiative

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5
  • Cost interceptor -10
  • Snow Attack interceptor 5
  • Rain Attack interceptor 5
  • Snow Attack multi_role 10
  • Rain Attack multi_role 10
  • Snow Attack cag 10
  • Rain Attack cag 10

4 -   - Ace Fighting Experience

4 -   - Specialized Units

4 -   - Individual Fighters

4 -   - Long-time Unit Cohesion

4 -   - Tutor Replacement Integration

Infrastructure Destruction Doctrine

  • Historic Year: 1941
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 10
  • Morale tactical_bomber 10
  • max_organization naval_bomber 10
  • Morale naval_bomber 10
  • Efficiency: port_strike 0.5
  • Efficiency: installation_strike 0.5
  • Efficiency: runway_cratering 0.5

4 -   - Refined Precision Bombing

4 -   - Transport Hub Strikes

4 -   - Airdropped Mines

4 -   - Large-scale Bombing Campaigns

4 -   - Low-altitude Bomb Runs

Infiltration Bombardment Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 10
  • Morale tactical_bomber 10
  • max_organization naval_bomber 10
  • Morale naval_bomber 10
  • Cost tactical_bomber -10
  • Cost naval_bomber -5
  • Efficiency: airborne_assault 0.1

4 -   - Lightning Strikes

4 -   - Precision Navigation Instruments

4 -   - Sophisticated Navigator Training

4 -   - Exact Mission Execution

4 -   - Low-altitude Radar Evasion

Carousel Bombardment Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 10
  • Morale tactical_bomber 10
  • max_organization naval_bomber 10
  • Morale naval_bomber 10
  • Cost tactical_bomber -10
  • Cost naval_bomber -5
  • Efficiency: airborne_assault 0.1

4 -   - Large-scale Mission Planning

4 -   - Permanent Occupation Bombing Campaign

4 -   - Small Bomber Strikes

4 -   - Round-the-clock Bombing Spirit

4 -   - AA Suppression

Keypoint Bombardment Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization tactical_bomber 10
  • Morale tactical_bomber 10
  • max_organization naval_bomber 10
  • Morale naval_bomber 10
  • Cost tactical_bomber -10
  • Cost naval_bomber -5
  • Efficiency: airborne_assault 0.1

4 -   - Precision Bomb Runs

4 -   - Precision Bombsights

4 -   - Deep-penetration Bombs

4 -   - Hit-and-run Spirit

4 -   - Small-scale Bomb Runs

Defensive Fighter Box Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5

4 -   - Area Fighter Coordination

4 -   - Defensive Fighter Tactics

4 -   - Fighter-AA Coordination

4 -   - Fighter Concentration

4 -   - IFF System

Multi-altitude Group Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5
  • Cost multi_role -10
  • Cost escort -5

4 -   - Multi-layered Fighter Defense

4 -   - Massed Fighter Sweeps

4 -   - Large Group Tactics

4 -   - No Penetration Spirit

4 -   - Altitude-adapted Fighters

Filter Room System Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5
  • Cost multi_role -10
  • Cost escort -5

4 -   - Multi-layer Radar Coverage

4 -   - Fighter Command HQ

4 -   - Multi-stage Fighter Defense

4 -   - Unit Coordination Training

4 -   - Filter Room Radio-net

Air Reserve Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization interceptor 5
  • Morale interceptor 5
  • max_organization multi_role 5
  • Morale multi_role 5
  • max_organization escort 5
  • Morale escort 5
  • max_organization cag 5
  • Morale cag 5
  • Cost multi_role -10
  • Cost escort -5

4 -   - Alert Fighter Wings

4 -   - Last-defense Spirit

4 -   - Accelerated Take-off Capability

4 -   - Interception Training

4 -   - Fighter Wing Coordination

Mass Destruction Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 10
  • Morale strategic_bomber 10
  • max_organization transport_plane 10
  • Morale transport_plane 10

4 -   - Troop Concentration Bombing

4 -   - Massed Bomb Run Coordination

4 -   - Enhanced Bomber Payload

4 -   - Frontline Bombing

4 -   - Centralized Bomber Co-ordination

Escort Relay System Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 10
  • Morale strategic_bomber 10
  • max_organization transport_plane 10
  • Morale transport_plane 10
  • Cost strategic_bomber -10
  • Cost escort -10

4 -   - Bomber-Escort Radio-net

4 -   - Escort-handover Training

4 -   - Superior Tactics Spirit

4 -   - Bomber Stream Practise

4 -   - Massed Bomber Tactics

Carpet Bombing Doctrine

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 10
  • Morale strategic_bomber 10
  • max_organization transport_plane 10
  • Morale transport_plane 10
  • Cost strategic_bomber -10

4 -   - Bomber Stream Tactics

4 -   - Massed Bomb Runs

4 -   - Area Carpet Bombing

4 -   - Large Unit Training

4 -   - Refined Defensive Bomber Coordination

Flying Armada Doctrine

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • max_organization strategic_bomber 10
  • Morale strategic_bomber 10
  • max_organization transport_plane 10
  • Morale transport_plane 10
  • Cost strategic_bomber -10

4 -   - Invincible Superiority Spirit

4 -   - Massed Defensive Armaments

4 -   - Massed Bomber Campaigns

4 -   - Refined Bomber Stream Tactics

4 -   - Bomber Command HQ