Naval doctrine technology
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Doctrine technologies' effects on units are applied immediately, without needing to devote IC to Upgrade.
One-Time Techs
| Name | Prerequisite | Difficulty | Research Bonus | Year | Knowledge on Completion | Effects |
|---|---|---|---|---|---|---|
| Carrier Task Force | Carrier Group Doctrine - 3 Light Cruiser Escort Role - 3 |
5 | Naval Combat Experience 0.7 Base Strike Doctrine 0.3 |
1941 | Base Strike Doctrine | CAG Duty Efficiency +5% |
| Commerce Defence | Battlefleet Concentration - 3 Destroyer Escort Role - 3 |
5 | Naval Combat Experience 0.7 Fleet in Being Doctrine 0.3 |
1941 | Fleet in Being Doctrine | Escort Convoy Efficiency +5% |
| Fleet Auxiliary Carrier Doctrine | 5 | Naval Combat Experience 0.7 Base Strike Doctrine 0.3 |
1936 | Base Strike Doctrine | Carrier Air Group - Organisation +5 | |
| Fleet Auxiliary Submarine Doctrine | 5 | Naval Combat Experience 0.7 Sealane Interdiction Doctrine 0.3 |
1936 | Sealane Interdiction Doctrine | Submarine - Positioning +3% | |
| Sea Lane Defence | 5 | Naval Combat Experience 0.7 Fleet in Being Doctrine 0.3 |
1936 | Fleet in Being Doctrine | Allows construction of convoy escorts | |
| Unrestricted Submarine Warfare Doctrine | Submarine Crew Training - 3 Trade Interdiction Submarine Doctrine - 3 |
5 | Naval Combat Experience 0.7 Sealane Interdiction Doctrine 0.3 |
1941 | Sealane Interdiction Doctrine | Convoy Raiding Organisation Penalty -50% |
Scaled Techs
Maximum level of 12
| Name | Prerequisite | Difficulty | Research Bonus | Start Year | First Offset | Additional Offset | Knowledge on Completion | Effects |
|---|---|---|---|---|---|---|---|---|
| Basing | Sea Lane Defence Mechanical Computing Machine (Industry technology) - 1 |
5 | Naval Combat Experience 0.7 Sealane Interdiction Doctrine 0.3 |
1937 | 1939 | 2 | Sealane Interdiction Doctrine | Naval Base Efficiency +20% |
| Battlefleet Concentration | Sea Lane Defence | 5 | Naval Combat Experience 0.4 Fleet in Being Doctrine 0.3 Capital Ship Practical 0.3 |
1937 | 1939 | 2 | Fleet in Being Doctrine | Battleship - Positioning +5% SH Battleship - Positioning +5% |
| Battleship Crew Training | Sea Lane Defence | 5 | Naval Combat Experience 0.4 Fleet in Being Doctrine 0.3 Capital Ship Practical 0.3 |
1937 | 1939 | 2 | Fleet in Being Doctrine | Battleship - Organisation +5, Morale +5% SH Battleship - Organisation +5, Morale +5% |
| Carrier Crew Training | Fleet Auxiliary Carrier Doctrine | 5 | Naval Combat Experience 0.4 Base Strike Doctrine 0.3 Carrier Practical 0.3 |
1937 | 1939 | 2 | Base Strike Doctrine | Carrier - Organisation +5, Morale +5% Escort Carrier - Organisation +5, Morale +5% |
| Carrier Group Doctrine | Fleet Auxiliary Carrier Doctrine | 5 | Naval Combat Experience 0.4 Base Strike Doctrine 0.3 Carrier Practical 0.3 |
1937 | 1939 | 2 | Base Strike Doctrine | Carrier - Positioning +5%, Escort Carrier - Positioning +5% |
| Commander Decision Making | Sea Lane Defence | 5 | Naval Combat Experience 0.7 Fleet in Being Doctrine 0.3 |
1937 | 1939 | 2 | Fleet in Being Doctrine | Target Choice +5% |
| Cruiser Crew Training | Fleet Auxiliary Submarine Doctrine | 5 | Naval Combat Experience 0.4 Sealane Interdiction Doctrine 0.3 Capital Ship Practical 0.15 Cruiser Practical 0.15 |
1937 | 1939 | 2 | Sealane Interdiction Doctrine | Battlecruiser - Organisation +5, Morale +5% Heavy Cruiser - Organisation +5, Morale +5% |
| Cruiser Warfare | Fleet Auxiliary Submarine Doctrine | 5 | Naval Combat Experience 0.4 Sealane Interdiction Doctrine 0.3 Capital Ship Practical 0.15 Cruiser Practical 0.15 |
1937 | 1939 | 2 | Sealane Interdiction Doctrine | Battlecruiser - Positioning +5% Heavy Cruiser - Positioning +5% |
| Destroyer Crew Training | Sea Lane Defence | 5 | Naval Combat Experience 0.4 Fleet in Being Doctrine 0.3 Destroyer Practical 0.3 |
1937 | 1939 | 2 | Fleet in Being Doctrine | Destroyer - Organisation +5, Morale +5% |
| Destroyer Escort Role | Sea Lane Defence | 5 | Naval Combat Experience 0.4 Fleet in Being Doctrine 0.3 Destroyer Practical 0.3 |
1937 | 1939 | 2 | Fleet in Being Doctrine | Destroyer - Positioning +5% |
| Fire Control System Training | Sea Lane Defence Mechanical Computing Machine (Industry technology) - 1 |
5 | Naval Combat Experience 0.7 Fleet in Being Doctrine 0.3 |
1937 | 1939 | 2 | Fleet in Being Doctrine | Target Chance +5% |
| Light Cruiser Crew Training | Fleet Auxiliary Carrier Doctrine | 5 | Naval Combat Experience 0.4 Base Strike Doctrine 0.3 Cruiser Practical 0.3 |
1937 | 1939 | 2 | Base Strike Doctrine | Light Cruiser - Organisation +5, Morale +5% |
| Light Cruiser Escort Role | Fleet Auxiliary Carrier Doctrine | 5 | Naval Combat Experience 0.4 Base Strike Doctrine 0.3 Cruiser Practical 0.3 |
1937 | 1939 | 2 | Base Strike Doctrine | Light Cruiser - Positioning +5% |
| Naval Underway Replenishment | Fleet Auxiliary Carrier Doctrine | 5 | Naval Combat Experience 0.4 Base Strike Doctrine 0.3 Cruiser Practical 0.3 |
1937 | 1939 | 2 | Base Strike Doctrine | Sortie Organisation Penalty -5% |
| RADAR Training | Fleet Auxiliary Carrier Doctrine RADAR (Industry technology) - 1 |
5 | Naval Combat Experience 0.4 Base Strike Doctrine 0.3 Cruiser Practical 0.3 |
1939 | 1940 | 2 | Base Strike Doctrine | Carrier - Surface Detection +1 Escort Carrier - Surface Detection +1 |
| Spotting | Sea Lane Defence Mechanical Computing Machine (Industry technology) - 1 |
5 | Naval Combat Experience 0.7 Sealane Interdiction Doctrine 0.3 |
1937 | 1939 | 2 | Sealane Interdiction Doctrine | Destroyer - Surface Detection +1 Light Cruiser - Surface Detection +1 |
| Submarine Crew Training | Fleet Auxiliary Submarine Doctrine | 5 | Naval Combat Experience 0.4 Sealane Interdiction Doctrine 0.3 Submarine Practical 0.3 |
1937 | 1939 | 2 | Sealane Interdiction Doctrine | Submarine - Organisation +6, Morale +6% |
| Trade Interdiction Submarine Doctrine | Fleet Auxiliary Submarine Doctrine | 5 | Naval Combat Experience 0.4 Sealane Interdiction Doctrine 0.3 Submarine Practical 0.3 |
1937 | 1939 | 2 | Sealane Interdiction Doctrine | Convoy Raiding Efficiency +6% |
