Zero Hour USA Upgrades/Abilities

 

Listed here are the upgrades and Generals abilities available for the USA side in the Zero Hour expansion pack.  

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Icon Upgrade Description  (USA)

Countermeasures: When purchased all aircraft will have countermeasures aboard to protect against radar and heat seeking projectiles (missiles).
Prerequisite : Airfield

Hellfire Drone: This upgrade will equip most USA units with a done that fires Hellfire missiles. For instance, after you purchase a tank, click on that unit and you will see the option to select the drone to fly along with the tank.

Chemical Suits: Gives the USA infantry a special suit that is effective against radiological and microwave attacks. It can also withstand a toxin attack for a short period of time.
Prerequisite : Strategy Center

Supply Lines: This upgrade increases the productivity of the Chinooks when gathering resources.
Prerequisite : Strategy Center

Bunker Busters: This explosive upgrade can penetrate infantry garrisoned in buildings and is also effective against GLA's tunnel network. It either kills the garrisoned units or forces them to evacuate the buildings, etc.
Prerequisite : Airfield

MOAB: This is an upgrade to the Fuel Air Bomb. This low altitude bomb when dropped effects a large area and will decimate anything in it's path of destruction.
Prerequisite : Strategy Center & 5 star General.

Sentry Drone Gun: This upgrade gives the Sentry Drone a machine gun. It is effective against all ground units.

Icon

USA Generals Powers

Leaflet Drop: When dropped over it's target, this will sap the morale and reduces the will of enemy units to fight. Affected units become temporarily immobile. 

Spectre Gunship: This slow moving flying platform flies in a circle and fires 50-caliber shells from multiple machine guns onboard. It continues it's onslaught until shot down by the enemy.

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