Sky Dominion IV
Subscriber Advance
Subscriber Advance. Provides overwhelming aerial combat capability. This advance is intentionally around two to three times stronger than a normal advance of the same type.
Acquisition: Subscriber Research
Duration: Permanent
Requires: Active Subscription
Bonuses
 Air Combat | 67 |
This advance is visible when unlocked for the nation, but can only be selected while the nation has an active subscription.