[Nyx]

That's the point


How? You play as a Ranger and a CIA operative. The CIA operative is tricked into being present at the mass slaughter of civilians. The Russians then invade the States.

A good sign of who the bad guys are is who invades whom, and which side the player plays for.

He was a good guy for the first half of the game, but then he reveals that is is pretty much the main antagonist.