Press [Shift]+C during game play to display the console window. Then, enter one of the following codes.

Effect	Code
+500 resources	#warbonds
Disable AI	#johnconnor
Disable fog of war	#orbitalcommand
Enable AI	#iamback
Gain Air Command Points.	#aircp [number]
Gain Land Command Points.	#landcp [number]
Gain Naval Command Points.	#navalcp [number]
Gain extra turns.	#income [number]
Gain resources.	#warbonds [number]
Instant defeat	#whiteflag
Instant victory	#igotnukes