It's function is to slow down the enemy forces, and warn you of an attack.
Standard barrage against ground vehicles. A 'blast from the past' - still useful as an outer defence zone.
|Power Plant (Hellfire Generator - Energy Coordination Center) - Energy Transmitter - Refinery (Refinery Landing Zone - Storage) - Engineering Facility (Technology Bay - Light Unit Factory - Heavy Unit Factory - Bomber Wharf - Unit Teleport Facility - Bomb Teleport Facility)|
Main Defense Tower (Bunker - Heavy Defense Station - High Defense Tower) - Barrage
|Silver One - Silver P - Decker|
Drone - Termite - Reloader - Scarab - Beetle - Condor
Spider - Kazuar - Jaguar - Lion - Scorpion - Salamander