Command Center Cost: $2000 Prerequisite: Dozer Possible Upgrades: None. Description: This building constructs Dozers for the USA and is where you select and use the abilities gained from battle expierience. Without it, you can't use abilities such as the Fuel-Air Bomb and Paradrop, so you'll need to re-build this ASAP if it's lost.
ColdFusion Reactor Cost: $800 Prerequisite: Dozer Possible Upgrades: Control Rods Description: Produces all the power the USA need to run their buildings, giving out 5 units of power each. If your Dozers are occupied, then Control Rods can be added to exisiting Reactors and give out the same power at the same price.
Supply Center Cost: $2000 Prerequisite: ColdFusion Reactor Possible Upgrades: None. Decription: (Added as new sentence to exisisting) From here, you can build more Chinooks to collect supplies.
Barracks Cost: $600 Prerequisite: Dozer Possible Upgrades: None. Description: (Added to exisisting) The "Capture Building" and "Flashbang" upgrades come from here, enabling Rangers to capture any building and use powerful flashbang grenades to kill enemy soldiers.
Patriot Missile Cost: $1200 Prerequisite: ColdFusion Reactor Possible Upgrades: None. Description: The Patriot Missile can attack both air and ground units with powerful missiles, vital for static, sturdy defence that can hold its own until your tanks and other units can get there. When grouped, positions are relayed between them and power is concentrated into one station.
War Factory Cost: $2000 Prerequisite: Supply Centre Possible Upgrades: None. Description: All vehicles (bar Dozers and Chinooks) are produced here, and it also serves as a repair facility. From here you can give Humvees TOW Missiles.
Airfield Cost: $1000 Prerequisite: Supply Centre Possible Upgrades: None. Description: The USA's dominant air force needs a home, so this is it. Auroras, F-22's, Stealth Bombers and Commanches are all produced here, and all except the Commanche stay in the hangars and get healed if they are damaged. The upgrades 'Laser Missiles' and 'Rocket Pods' are purchased at the Airfield.
Strategy Center Cost: $2500 Prerequisite: War Factory/Airfield Possible Upgrades: Search & Destroy/Bombardment/Hold the Line Battle Plans. Description: Serving up the latest technology and upgrades, a Strategy Center is vital for long games. It offers the following: Composite Armour, Advanced Training, Drone Armour.
Detention Center Cost: $1000 Prerequisite: Strategy Centre Possible Upgrades: None. Description: With this, you get the "CIA" ability, which reveals the position of all enemy units every two minutes. If you're planning a paradrop or attack, use this to calculate the best positions and see which places are undefended.
Supply Drop Cost: $2500 Prerequisite: Strategy Centre Possible Upgrades: None. Description: Every few minutes a plane drops off around $1500 worth of supplies here, and for each one you have, another plane will come - infinite money.
Particle Cannon Cost: $5000 Prerequisite: Strategy Centre Possible Upgrades: None. Description: USA's superweapon may not be the most powerful, but we can forgive it as it involves a laser AND a satellite. Click the target and watch the light show and the Zorro-esque 'S' it leaves behind.