Full details for the Anti-air Gun technology, from level 1 to level 4.
An anti-air defence branch that reduces incoming bombing damage. "Anti-air Gun" scales up to level 4. Maximum effect: "Air-raiding damage -55%; Bombing damage -50%; Reduce paratroops HP by +25%". Unlocks at HQ level 10. Level this when you expect strategic raids on key cities.
| Level | Gold | Industry | Energy | Tech | Effet |
|---|---|---|---|---|---|
| L2 | 2500 | 0 | 0 | 10 | Air-raiding damage -35%; Bombing damage -30%; Reduce paratroops HP by +15% |
| L3 | 7500 | 0 | 0 | 30 | Air-raiding damage -45%; Bombing damage -40%; Reduce paratroops HP by +20% |
| L4 | 18750 | 0 | 0 | 75 | Air-raiding damage -55%; Bombing damage -50%; Reduce paratroops HP by +25% |