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Anti-air defense
T1 anti-air turretUEB2104 build btnURB2104 build btnUAB2104 build btnXSB2104 build btn
T2 anti-air flak artilleryUEB2204 build btnURB2204 build btnUAB2204 build btnXSB2204 build btn
T3 anti-air SAM launcherUEB2304 build btnURB2304 build btnUAB2304 build btnXSB2304 build btn
Mobile anti-air units
Tech 1 Mobile Anti-Air GunUEL0104 build btnURL0104 build btnUAL0104 build btnXSL0104 build btn
Tech 2 Mobile AA Flak ArtilleryUEL0205 build btnURL0205 build btnUAL0205 build btnXSL0205 build btn
Tech 2 CruiserUES0202 build btnURS0202 build btnUAS0202 build btnXSS0202 build btn
Aircraft CarrierUES0401 build btnURS0303 build btnUAS0303 build btnXSS0303 build btn
Fighters
Tech 1 InterceptorUEA0102 build btnURA0102 build btnUAA0102 build btnXSA0102 build btn
Tech 2 Fighter/BomberDEA0202 build btnDRA0202 build btnNo-unitXSA0202 build btn
Tech 2 Combat FighterNo-unitNo-unitXAA0202 build btnNo-unit
Tech 3 Air-Superiority FighterUEA0303 build btnURA0303 build btnUAA0303 build btnXSA0303 build btn

An anti-air unit, commonly abbreviated AA unit, is a unit specifically designed to target and destroy air units. These come in a variety of forms, from the T1 anti-air turrets to the Cybran T3 Air Superiority Fighter. Different units have different weapons, which are more effective at attacking specific kinds of air units.

Land mobile/fixed anti-air units

These anti-air units are generally slow or immobile, and have a variety of weapons suitable for attacking different targets.

Tech 1

These units have a weak direct fire weapon that is most effective versus slow or medium speed units, such as Tech 1 units or gunships.

Tech 2

These units have high firing randomness but also have an area of effect. They are most effective against massed units.

Tech 3

These turrets have a missile system which is most effective versus high-health units, such as Tech 3 units or experimentals.

Air anti-air

These anti-air units are generally fast, with either missile systems or direct fire weapons.

Tech 1

These units have a weak direct fire weapon which is most effective versus low-health units.

Tech 2

These units have either a missile system or a direct fire weapon effective versus most air units.

Tech 3

These units have either a missile system or a direct fire weapon effective versus all air units.