Do Luong bridge was the last Army outpost on the Nung River. Beyond that, there was only Kurtz.
13 seconds sound clip from the Apocalypse Now movie soundboard.
You can hear this line at 01:40:26 in the Blu-ray version of the movie.
Quote context
[...]
- It was a lie, and the more I saw of them, the more I hated lies.
- Those boys were never gonna look at me the same way again.
- But I felt like I knew one or two things about Kurtz that weren't in the dossier.
- Do Luong bridge was the last Army outpost on the Nung River. Beyond that, there was only Kurtz.
- Lance! Hey, Lance, what do you think?
- I mean, what's the matter with you? You're acting kind of weird.
- Hey, you know that last tab of acid I was saving? I dropped it.
[...]