Says they had no choice.
3 seconds sound clip from the Platoon movie soundboard.
You can hear this line at 00:51:14 in the Blu-ray version of the movie.
Quote context
[...]
- Says he was hit in a bombing raid.
- Ask him why those weapons are here.
- Says the NVA killed the old honcho when he said no.
- Now he says all the rice is theirs.
- Who the hell was the gook we nailed on the riverbank?
[...]