Only one Region Command may be built at a time.
|$600||None||0||Infantry training structure.
|$1000||Supply Yard||0||Secondary headquarters.|
Vehicle Assembly Depot
|$2500||Supply Yard||-1||Vehicle production structure.
|$1500||Vehicle Assembly Depot|
Only one Solar Reactor may be built at a time.
|$1000||Solar Reactor||-2||Aircraft production structure.
Only one Deployment Zone may be built at a time.
|$2000||Solar Reactor||-5||Technology structure.
Only one Research Facility may be built at a time.
Solar Power Relay
|$2000||Solar Reactor,Research Facility|
Only one Solar Power Relay may be built at a time.
|$3000||Research Facility||-3||Intelligence structure.
Only one Satellite Uplink may be built at a time.
|$1600||Research Facility||-2||Secondary resource structure.
|$5000||Research Facility||-10||Superweapon structure.
If "Limit Superweapon" is enabled, only one Solaris Relay may be built at a time.