Here we go. Must be an old French mine. It's a remnant from colonial Indo-China. This jungle must be full of them.
10 seconds sound clip from the Tropic Thunder (2008) movie soundboard.
You can hear this line at 00:33:28 in the Blu-ray version of the movie.
Quote context
[...]
- Not bad, Cockburn! Not bad. Wherever you are!
- Wherever he is? Looks like he's all over the place.
- Don't you get it? He's messing with our heads. That's what all that playing God stuff was about.
- He's trying to get us to act good, save the movie.
- He ain't playing God. He's being judged by him.
- That's our objective. Complete the mission.
[...]