Secret Weapons Tech Tree

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Basic Rocket Interceptor

  • Historic Year: 1941
  • Prerequisites: None
  • Effects:
  • New Model interceptor 5

10 - rocketry - Basic Rocket Engine

8 - aeronautics - Basic Rocket Interceptor Airframe

5 - artillery - 30mm Cannons

7 - electronics - Improved Centimetric Airborne Fighter Radar

10 - technical_efficiency - Basic Rocket Interceptor Prototype Tests (D)

Improved Rocket Interceptor

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • New Model interceptor 6

10 - rocketry - Improved Rocket Engine

8 - aeronautics - Improved Rocket Interceptor Airframe

7 - rocketry - Air-to-Air Missile

7 - electronics - Advanced Centimetric Airborne Fighter Radar

10 - technical_efficiency - Improved Rocket Interceptor Prototype Tests (D)

Basic Turbojet Interceptor

  • Historic Year: 1941
  • Prerequisites: None
  • Effects:
  • New Model interceptor 7

10 - rocketry - Basic Turbojet Engine

8 - aeronautics - Basic Turbojet Interceptor Airframe

5 - artillery - 30mm Cannons

7 - electronics - Improved Centimetric Airborne Fighter Radar

10 - technical_efficiency - Basic Turbojet Interceptor Prototype Tests (D)

Improved Turbojet Interceptor

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • New Model interceptor 8

10 - rocketry - Improved Turbojet Engine

8 - aeronautics - Improved Turbojet Airframe

8 - rocketry - Air-to-Air Missile

7 - electronics - Advanced Centimetric Airborne Fighter Radar

10 - technical_efficiency - Improved Turbojet Interceptor Prototype Tests (D)

Turbojet Carrier Air Wing

  • Historic Year: 1944
  • Prerequisites:
  • Modern Air Carrier
  • Effects:
  • New Model cag 8

10 - rocketry - Naval Turbojet Engine

8 - aeronautics - Regular Composite Airframe

5 - artillery - 30mm Cannons

7 - electronics - Advanced Centimetric Airborne Fighter Radar

10 - technical_efficiency - VTOL Prototype Tests (D)

Turbojet Close Air Support Aircraft

  • Historic Year: 1943
  • Prerequisites: None
  • Effects:
  • New Model cas 3

10 - rocketry - Short-Range Turbojet Bomber Engine

8 - aeronautics - Light Turbojet Bomber Airframe

7 - artillery - 120mm Cannon

7 - electronics - Advanced Centimetric Airborne Radar Navigation

10 - technical_efficiency - Light Turbojet Bomber Prototype Tests (D)

Turbojet Tactical Bomber

  • Historic Year: 1943
  • Prerequisites: None
  • Effects:
  • New Model tactical_bomber 5

10 - rocketry - Medium-Range Turbojet Bomber Engine

8 - aeronautics - Medium Bomber Turbojet Airframe

7 - chemistry - FAE Bombs

7 - electronics - Advanced Centimetric Airborne Radar Navigation

10 - technical_efficiency - Medium-Range Turbojet Bomber Prototype Tests (D)

Turbojet Naval Bomber

  • Historic Year: 1942
  • Prerequisites: None
  • Effects:
  • New Model naval_bomber 3

10 - rocketry - Medium-Range Turbojet Bomber Engine

8 - aeronautics - Medium Bomber Turbojet Airframe

5 - general_equipment - Multiple Weapons Platform

7 - electronics - Advanced Centimetric Airborne Radar Navigation

10 - technical_efficiency - Medium-Range Turbojet Bomber Prototype Tests (D)

Turbojet Strategic Bomber

  • Historic Year: 1943
  • Prerequisites: None
  • Effects:
  • New Model strategic_bomber 3

10 - rocketry - Long-Range Turbojet Bomber Engine

8 - aeronautics - Heavy Bomber Turbojet Airframe

7 - mechanics - Payload Racket Automatization

7 - electronics - Advanced Centimetric Airborne Radar Navigation

10 - technical_efficiency - Heavy Turbojet Bomber Prototype Tests (D)

Flying Bomb

  • Historic Year: 1941
  • Prerequisites: None
  • Effects:
  • Activate Unit Type flying_bomb

10 - rocketry - Basic Clearing Routines

7 - aeronautics - Modified Steering Fens

7 - aeronautics - Catapult Launch Tests

7 - mechanics - Mechanical Autopilot

10 - technical_efficiency - Flying Bomb Prototype Test (D)

Strategic Rocket

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • Activate Unit Type flying_rocket
  • New Model flying_rocket 0

10 - rocketry - Improved Clearing Routines

5 - aeronautics - Reinforced Ribs

8 - aeronautics - Advanced All-Weather Tests

8 - electronics - Gyroscope Autopilot

10 - technical_efficiency - Strategic Rocket Prototype Test (D)

Ballistic Missile

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • New Model flying_rocket 1

10 - rocketry - Advanced Clearing Routines

8 - aeronautics - Multiple Sections

8 - aeronautics - Multi-stage Test Flights

9 - electronics - Gyrostabilized Launch Computer

10 - technical_efficiency - Ballistic Missile Prototype Test (D)

Intercontinental Ballistic Missile

  • Historic Year: 1951
  • Prerequisites:
  • Effects:
  • New Model flying_rocket 2

10 - rocketry - Semimodern Clearing Routines

9 - rocketry - Section Flight Dropping

10 - aeronautics - Multi-stage Ballistic Missile Test Flights

10 - electronics - ICBM Guidance System Computer

10 - technical_efficiency - ICBM Prototype Test (D)

Basic Electronic Computers

  • Historic Year: 1941
  • Prerequisites: None
  • Effects:
  • Research Modifier: 5

8 - mathematics - Assembly Language

8 - electronics - Cathode Ray Tube Primary Memory

7 - chemistry - Magnetic Tape Secondary Memory

6 - mathematics - BCD ALU

8 - electronics - Hardwired CPU (D)

Improved Electronic Computers

  • Historic Year: 1943
  • Prerequisites:
  • Effects:
  • Research Modifier: 5

9 - mathematics - High Level Language

9 - electronics - Mercury Delay Line Primary Memory

8 - chemistry - Magnetic Drum Secondary Memory

6 - mathematics - Binary ALU

9 - mathematics - Microprogramming (D)

Advanced Electronic Computers

  • Historic Year: 1945
  • Prerequisites:
  • Effects:
  • Research Modifier: 5

10 - mathematics - Functional Programming

10 - electronics - Semiconductor Primary Memory

10 - chemistry - Hard Disk Secondary Memory

8 - mathematics - Floating Point ALU

10 - mathematics - Batch Processing (D)

Nuclear Waste Bomb

  • Historic Year: 1944
  • Prerequisites: None
  • Effects:
  • Enable Mission Type: nuke
  • Max Reactor Size: 6
  • abomb_production
  • Subs may now launch Nukes flying_bomb
  • Subs may now launch Nukes flying_rocket

8 - nuclear_engineering - Basic Nuclear Bomb Construction

6 - electronics - Basic Detonator

7 - mathematics - Basic Impact Calculations

6 - chemistry - Basic Uranium Handling

10 - nuclear_physics - Basic Nuclear Detonation Tests (D)

Semi-Fission Bomb

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • Max Reactor Size: 7

8 - nuclear_engineering - Improved Nuclear Bomb Construction

7 - electronics - Improved Detonator

7 - mathematics - Improved Impact Calculations

9 - chemistry - Improved Uranium Handling

10 - nuclear_physics - Improved Nuclear Detonation Tests (D)

Fission Bomb

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • Max Reactor Size: 8

10 - nuclear_engineering - Advanced Nuclear Bomb Construction

8 - electronics - Advanced Detonator

10 - mathematics - Advanced Impact Calculations

10 - chemistry - Advanced Uranium Handling

10 - nuclear_physics - Advanced Nuclear Detonation Tests (D)

Nuclear Battleship Propulsion

  • Historic Year: 1944
  • Prerequisites: None
  • Effects:
  • New Model battleship 7

9 - nuclear_engineering - BB Emergency Shut-down System

8 - nuclear_engineering - BB Fuel Installation and Removal

7 - chemistry - BB Nuclear Cooling System

7 - naval_engineering - BB Modified Hull Construction

10 - naval_training - BB Nuclear Vessel Procedure (D)

Nuclear Cruiser Propulsion

  • Historic Year: 1944
  • Prerequisites: None
  • Effects:
  • New Model heavy_cruiser 6
  • New Model battlecruiser 6

9 - nuclear_engineering - CA Emergency Shut-down System

8 - nuclear_engineering - CA Fuel Installation and Removal

7 - chemistry - CA Nuclear Cooling System

7 - electronics - CA Modified Hull Construction

10 - naval_training - CA Nuclear Vessel Procedure (D)

Nuclear Carrier Propulsion

  • Historic Year: 1944
  • Prerequisites: None
  • Effects:
  • New Model carrier 8

9 - nuclear_engineering - CV Emergency Shut-down System

8 - nuclear_engineering - CV Fuel Installation and Removal

7 - chemistry - CV Nuclear Cooling System

7 - electronics - CV Modified Hull Construction

10 - naval_training - CV Nuclear Vessel Procedure (D)

Nuclear-powered Submarine

  • Historic Year: 1944
  • Prerequisites: None
  • Effects:
  • New Model submarine 6

9 - nuclear_engineering - SS Emergency Shut-down System

8 - nuclear_engineering - SS Fuel Installation and Removal

7 - chemistry - SS Nuclear Cooling System

7 - electronics - SS Modified Hull Construction

10 - naval_training - SS Nuclear Vessel Procedure (D)

Air Cavalry Division

  • Historic Year: 1944
  • Prerequisites: None
  • Effects:
  • New Model cavalry 5

7 - aeronautics - Attack Helicopters

7 - aeronautics - Transport Helicopters

5 - management - Aerial Support Organization

6 - rocketry - Modified Anti-Tank Weaponry

7 - combined_arms_focus - Air Assault Tactics (D)

Air-to-Surface Missile (ASM)

  • Historic Year: 1942
  • Prerequisites:
  • Effects:
  • New Model cas 4

6 - aeronautics - Air-launch tests

7 - aeronautics - Air-to-Surface Wire Guidance

7 - electronics - Delayed Detonation Fuse

5 - chemistry - HEAT payload

8 - technical_efficiency - ASM Prototype Test (D)

Surface-to-Air Missile (SAM)

  • Historic Year: 1943
  • Prerequisites: None
  • Effects:
  • Flak Power 100

6 - aeronautics - Ground Launch Tests

7 - aeronautics - Surface-to-Air Wire Guidance

7 - electronics - Radar Proximity Fuse

5 - chemistry - Steel Bullet Ammo

8 - technical_efficiency - SAM Prototype Test (D)

Basic Turbojet Fighter

  • Historic Year: 1943
  • Prerequisites: None
  • Effects:
  • New Model multi_role 3

10 - rocketry - Basic Turbojet Engine

8 - aeronautics - Basic Turbojet Fighter Airframe

5 - artillery - 30mm Cannons

7 - electronics - Improved Centimetric Airborne Fighter Radar

10 - technical_efficiency - Basic Turbojet Fighter Prototype Tests (D)

Improved Turbojet Fighter

  • Historic Year: 1944
  • Prerequisites:
  • Effects:
  • New Model multi_role 4

10 - rocketry - Improved Turbojet Engine

8 - aeronautics - Improved Turbojet Airframe

7 - rocketry - Air-to-Air Missile

7 - electronics - Advanced Centimetric Airborne Fighter Radar

10 - technical_efficiency - Improved Turbojet Fighter Prototype Tests (D)