Blue Three, Blue Four, hold out over position...
4 seconds sound clip from the Apocalypse Now movie soundboard.
You can hear this line at 00:43:13 in the Blu-ray version of the movie.
Quote context
[...]
- Everybody all right? Lance, you're all right?
- I'm not going! I'm not going! I'm not going!
- We just got a secondary down there in the plaza.
- Blue Three, Blue Four, hold out over position...
- Duke Six, Duke Six, we've got wounded down there.
[...]