Example Prototypes
 Advanced Artillery
 Rockets
 Heavy Tanks
 Increased Factory Production
1 stack - Minor
2 stacks - Advanced Minor (Technology - Increased Factory Production)
3 stacks - Major
4 stacks - Adcanced Major (Technology - Increased Factory Production)
 War Bonds
 Improved Mechanized Infantry
 Super Submarines
 Jet Fighters
 Improved Shipyards
 Radar
 Long-Range Aircraft
 Heavy Bombers