Aircraft Firepower I
Increase DMG dealt by Aircraft Heroes
Max level: 5
Research levels
| Level |  Power |  Food |  Iron |  Coin | Base research time | Requirements |
|---|---|---|---|---|---|---|
| 1 | 1,100 | 168,000 | 168,000 | 503,900 | 1 hr 42 min |
|
| 2 | 3,500 | 785,200 | 785,200 | 2,355,700 | 7 hr 15 min |
|
| 3 | 7,900 | 2,739,500 | 2,739,500 | 8,218,400 | 2 days 1 hr 33 min |
|
| 4 | 15,200 | 7,478,800 | 7,478,800 | 22,436,300 | 8 days 10 hr 8 min |
|
| 5 | 28,300 | 24,500,500 | 24,500,500 | 73,501,400 | 21 days 11 hr 1 min |
|