Chief: My orders say I'm not supposed to know where I'm taking this boat, so I don't. But one look at you, and I know it's gonna be hot, wherever it is.
Willard: We're going upriver about 75 klicks above the Do Lung bridge.
Chief: That's Cambodia, Captain.
Willard: That's classified.

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Chief finds out for the first time where they are headed and he's not happy to hear it.

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