Technology Tree

Terran Technology Tree - Basic Structures

	Command Center	Requires: Nothing
	Comsat Station	Add-On To: Command Center
	Nuclear Silo	Add-On To: Command Center
	Refinery	Requires: Nothing
	Supply Depot	Requires: Command Center
	Engineering Bay	Requires: Command Center
	Barracks	Requires: Command Center
	Missile Turret	Requires: Engineering Bay
	Academy	Requires: Barracks
	Bunker	Requires: Barracks

Terran Technology Tree - Advanced Structures

	Factory	Requires: Barracks
	Machine Shop	Add-On To: Factory
	Armory	Requires: Factory
	Starport	Requires: Factory
	Control Tower	Add-On To: Starport
	Science Facility	Requires: Starport
	Physics Lab	Add-On To: Science Facility
	Covert Ops	Add-On To: Science Facility