Artillery fixed-based defense
|Artillery crew bonus|
Costs 750. Increases the artillery turret's range of fire. The upgrade is researched individually for each artillery turret.
- Eugen Systems, Focus Home Interactive, Act of Aggression. September 2, 2015.
- Railgun turret - Cartel Black Ops base defense
- MG nest - U.S. Army equivalent
- Sentinel turret - Chimera equivalent