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Secret Weapons Tech Tree

Basic Rocket Interceptor

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

10 -   - Basic Rocket Engine

8 -   - Basic Rocket Interceptor Airframe

5 -   - 30mm Cannons

7 -   - Improved Centimetric Airborne Fighter Radar

10 -   - Basic Rocket Interceptor Prototype Tests (D)

Improved Rocket Interceptor

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

10 -   - Improved Rocket Engine

8 -   - Improved Rocket Interceptor Airframe

7 -   - Air-to-Air Missile

7 -   - Advanced Centimetric Airborne Fighter Radar

10 -   - Improved Rocket Interceptor Prototype Tests (D)

Basic Turbojet Interceptor

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

10 -   - Basic Turbojet Engine

8 -   - Basic Turbojet Interceptor Airframe

5 -   - 30mm Cannons

7 -   - Improved Centimetric Airborne Fighter Radar

10 -   - Basic Turbojet Interceptor Prototype Tests (D)

Improved Turbojet Interceptor

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

10 -   - Improved Turbojet Engine

8 -   - Improved Turbojet Airframe

8 -   - Air-to-Air Missile

7 -   - Advanced Centimetric Airborne Fighter Radar

10 -   - Improved Turbojet Interceptor Prototype Tests (D)

Turbojet Carrier Air Wing

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

10 -   - Naval Turbojet Engine

8 -   - Regular Composite Airframe

5 -   - 30mm Cannons

7 -   - Advanced Centimetric Airborne Fighter Radar

10 -   - VTOL Prototype Tests (D)

Turbojet Close Air Support Aircraft

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

10 -   - Short-Range Turbojet Bomber Engine

8 -   - Light Turbojet Bomber Airframe

7 -   - 120mm Cannon

7 -   - Advanced Centimetric Airborne Radar Navigation

10 -   - Light Turbojet Bomber Prototype Tests (D)

Turbojet Tactical Bomber

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

10 -   - Medium-Range Turbojet Bomber Engine

8 -   - Medium Bomber Turbojet Airframe

7 -   - FAE Bombs

7 -   - Advanced Centimetric Airborne Radar Navigation

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

Turbojet Naval Bomber

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

10 -   - Medium-Range Turbojet Bomber Engine

8 -   - Medium Bomber Turbojet Airframe

5 -   - Multiple Weapons Platform

7 -   - Advanced Centimetric Airborne Radar Navigation

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

Turbojet Strategic Bomber

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

10 -   - Long-Range Turbojet Bomber Engine

8 -   - Heavy Bomber Turbojet Airframe

7 -   - Payload Racket Automatization

7 -   - Advanced Centimetric Airborne Radar Navigation

10 -   - Heavy Turbojet Bomber Prototype Tests (D)

Flying Bomb

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

10 -   - Basic Clearing Routines

7 -   - Modified Steering Fens

7 -   - Catapult Launch Tests

7 -   - Mechanical Autopilot

10 -   - Flying Bomb Prototype Test (D)

Strategic Rocket

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

10 -   - Improved Clearing Routines

5 -   - Reinforced Ribs

8 -   - Advanced All-Weather Tests

8 -   - Gyroscope Autopilot

10 -   - Strategic Rocket Prototype Test (D)

Ballistic Missile

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

10 -   - Advanced Clearing Routines

8 -   - Multiple Sections

8 -   - Multi-stage Test Flights

9 -   - Gyrostabilized Launch Computer

10 -   - Ballistic Missile Prototype Test (D)

Intercontinental Ballistic Missile

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

10 -   - Semimodern Clearing Routines

9 -   - Section Flight Dropping

10 -   - Multi-stage Ballistic Missile Test Flights

10 -   - ICBM Guidance System Computer

10 -   - ICBM Prototype Test (D)

Basic Electronic Computers

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

8 -   - Assembly Language

8 -   - Cathode Ray Tube Primary Memory

7 -   - Magnetic Tape Secondary Memory

6 -   - BCD ALU

8 -   - Hardwired CPU (D)

Improved Electronic Computers

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

9 -   - High Level Language

9 -   - Mercury Delay Line Primary Memory

8 -   - Magnetic Drum Secondary Memory

6 -   - Binary ALU

9 -   - Microprogramming (D)

Advanced Electronic Computers

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

10 -   - Functional Programming

10 -   - Semiconductor Primary Memory

10 -   - Hard Disk Secondary Memory

8 -   - Floating Point ALU

10 -   - 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 -   - Basic Nuclear Bomb Construction

6 -   - Basic Detonator

7 -   - Basic Impact Calculations

6 -   - Basic Uranium Handling

10 -   - Basic Nuclear Detonation Tests (D)

Semi-Fission Bomb

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

8 -   - Improved Nuclear Bomb Construction

7 -   - Improved Detonator

7 -   - Improved Impact Calculations

9 -   - Improved Uranium Handling

10 -   - Improved Nuclear Detonation Tests (D)

Fission Bomb

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

10 -   - Advanced Nuclear Bomb Construction

8 -   - Advanced Detonator

10 -   - Advanced Impact Calculations

10 -   - Advanced Uranium Handling

10 -   - Advanced Nuclear Detonation Tests (D)

Nuclear Battleship Propulsion

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

9 -   - BB Emergency Shut-down System

8 -   - BB Fuel Installation and Removal

7 -   - BB Nuclear Cooling System

7 -   - BB Modified Hull Construction

10 -   - BB Nuclear Vessel Procedure (D)

Nuclear Cruiser Propulsion

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

9 -   - CA Emergency Shut-down System

8 -   - CA Fuel Installation and Removal

7 -   - CA Nuclear Cooling System

7 -   - CA Modified Hull Construction

10 -   - CA Nuclear Vessel Procedure (D)

Nuclear Carrier Propulsion

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

9 -   - CV Emergency Shut-down System

8 -   - CV Fuel Installation and Removal

7 -   - CV Nuclear Cooling System

7 -   - CV Modified Hull Construction

10 -   - CV Nuclear Vessel Procedure (D)

Nuclear-powered Submarine

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

9 -   - SS Emergency Shut-down System

8 -   - SS Fuel Installation and Removal

7 -   - SS Nuclear Cooling System

7 -   - SS Modified Hull Construction

10 -   - SS Nuclear Vessel Procedure (D)

Air Cavalry Division

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

7 -   - Attack Helicopters

7 -   - Transport Helicopters

5 -   - Aerial Support Organization

6 -   - Modified Anti-Tank Weaponry

7 -   - Air Assault Tactics (D)

Air-to-Surface Missile (ASM)

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

6 -   - Air-launch tests

7 -   - Air-to-Surface Wire Guidance

7 -   - Delayed Detonation Fuse

5 -   - HEAT payload

8 -   - ASM Prototype Test (D)

Surface-to-Air Missile (SAM)

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

6 -   - Ground Launch Tests

7 -   - Surface-to-Air Wire Guidance

7 -   - Radar Proximity Fuse

5 -   - Steel Bullet Ammo

8 -   - SAM Prototype Test (D)

Basic Turbojet Fighter

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

10 -   - Basic Turbojet Engine

8 -   - Basic Turbojet Fighter Airframe

5 -   - 30mm Cannons

7 -   - Improved Centimetric Airborne Fighter Radar

10 -   - Basic Turbojet Fighter Prototype Tests (D)

Improved Turbojet Fighter

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

10 -   - Improved Turbojet Engine

8 -   - Improved Turbojet Airframe

7 -   - Air-to-Air Missile

7 -   - Advanced Centimetric Airborne Fighter Radar

10 -   - Improved Turbojet Fighter Prototype Tests (D)