Increases base Repair Cost Efficiency for all ships.
What it costs to research each level, how long it takes, and the effect at that level.
| LEVEL | TIME | HARD CURRENCY | COST | EFFECT |
|---|---|---|---|---|
| Lv 1 | 120d 2h | Not purchasable | 810 Covert Modifications | Discounted Spares 0.5% |
| Lv 2 | 230d 12h | Not purchasable | 950 Covert Modifications | Discounted Spares 1.25% |
| Lv 3 | 317d 5h | Not purchasable | 1,110 Covert Modifications | Discounted Spares 2.25% |
| Lv 4 | 490d 3h | Not purchasable | 1,290 Covert Modifications | Discounted Spares 3.5% |
| Lv 5 | 760d 20h | Not purchasable | 1,515 Covert Modifications | Discounted Spares 5% |