This thanks to the IMDB database...
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Pogue Colonel: Marine, what is that button on your body armor?
Private Joker: A peace symbol, sir.
Pogue Colonel: Where'd you get it?
Private Joker: I don't remember, sir.
Pogue Colonel: What is that you've got written on your helmet?
Private Joker: "Born to Kill", sir.
Pogue Colonel: You write "Born to Kill" on your helmet and you wear a peace button. What's that supposed to be, some kind of sick joke?
Private Joker: No, sir.
Pogue Colonel: You'd better get your head and your ass wired together, or I will take a giant shit on you.
Private Joker: Yes, sir.
Pogue Colonel: Now answer my question or you'll be standing tall before the man.
Private Joker: I think I was trying to suggest something about the duality of man, sir.
Pogue Colonel: The what?
Private Joker: The duality of man. The Jungian thing, sir.
Pogue Colonel: Whose side are you on, son?
Private Joker: Our side, sir.
Pogue Colonel: Don't you love your country?
Private Joker: Yes, sir.
Pogue Colonel: Then how about getting with the program? Why don't you jump on the team and come on in for the big win?
Private Joker: Yes, sir.
Pogue Colonel: Son, all I've ever asked of my Marines is that they obey my orders as they would the word of God. We are here to help the Vietnamese, because inside every gook there is an American trying to get out. It's a hardball world, son. We've gotta keep our heads until this peace craze blows over.
Private Joker: Aye-aye, sir.