Full details for the Rocket Artillery technology, from level 1 to level 8.
Artillery research, the core of siege strategies. "Rocket Artillery" scales up to level 8. Maximum effect: "Attack of rocket artillery units +18". Available from the start of research. Key on fortified-line scenarios: Kursk, Monte Cassino.
| Level | Gold | Industry | Energy | Tech | Effet |
|---|---|---|---|---|---|
| L1 | 1500 | 300 | 0 | 0 | Attack of rocket artillery units +3 |
| L2 | 3500 | 700 | 0 | 0 | Attack of rocket artillery units +5 |
| L3 | 10000 | 2000 | 0 | 0 | Attack of rocket artillery units +7 |
| L4 | 21250 | 4250 | 0 | 0 | Attack of rocket artillery units +9 |
| L5 | 41250 | 8250 | 0 | 0 | Attack of rocket artillery units +11 |
| L6 | 87500 | 17500 | 0 | 0 | Attack of rocket artillery units +13 |
| L7 | 145000 | 29000 | 0 | 0 | Attack of rocket artillery units +15 |
| L8 | 225000 | 45000 | 0 | 0 | Attack of rocket artillery units +18 |