The defensive center is a Chimera building that researches upgrades allowed under the SHIELD protocol.
Costs 750 and 1500. Grants Tigres, Valors, and PAK FAs the ability to deflect enemy missiles targeting them.
Costs 500 and 500. Increases the sight and attack range of the Tigres and Fenneks and grants them the abilities to detect stealth units and fire their missiles indirectly.
Costs 2000. Equips Terminators with Igla anti-aircraft missiles, which have a high-rate of fire and are fired in salvos of two, but only deals average damage against enemy aircraft.
Costs 1750. Metal Storms and Exosoldiers are able to slowly regenerate health after being damaged.
Costs 500 and 250. Equips nEUROns with MICA anti-aircraft missiles, making them efficient against enemy aircraft. The missiles are fired in salvos.
- Research lab - SWORD protocol equivalent
- Armory - US Army equivalent
- Stealth lab - Cartel equivalent