Who's in Season?

They put a gun in his hand, a trigger in his brain. He came home from war not quite the same. Trained to kill for God and Country.
Why? Who's in season today? Who's on the menu today? Who's the enemy today? Ask not what you can do for our country, but how your country can fuck you for life. He took a big one to the head, came home alive, but better off dead.
Trained to kill for God and Country. Why?