M61 Vulcan 20mm Gatling cannon
The Phalanx CIWS is a defense used to detect and/or destroy incoming artillery, rockets and mortar rounds in the air before they hit their ground targets. It can also attack any enemies in range and detect stealth units.
- Wikipedia: Phalanx CIWS
- MIM-104 Patriot - U.S. Tactical Weapon counter.
- Railgun turret - Cartel equivalent