Here you can write description of your tech tree as a whole.
HC-3A OK-VZB Reserve (7.7) | ||
MI-4B 8.0 | ||
UH-1Y Venom 8.3 | ||
MI-2URP 8.0 | ||
Mi-1B 7.7 | ||
MI-8T 8.0 | ||
MI-171Š 9.3 | ||
MI-17 0838 9.3 | ||
MI-35/MI-24V 10.0 | ||
MI-17 9.0 | ||
UH-60M Black Hawk 10.0 | ||
MI-24D 9.3 | ||
AH-1Z Viper 11.3 | ||