Just 20 minutes.
3 seconds sound clip from the Apocalypse Now movie soundboard.
You can hear this line at 00:50:49 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, Bill, don't get me wrong...
- It was the bombs causing a vortex with the wind.
- All right, then. But if you could hang around just 20 minutes...
- Maybe some other time, Bill.
- Okay, give it a try, guys! One goes left and one goes right.
- Look, Lance. You through surfing? Yeah!
- Want to say goodbye to the Colonel?
- No.
- Yeah!
[...]