It's just that we've intercepted some signals that suggest some kind of action at a bridge near Clermont.
8 seconds sound clip from the Kelly's Heroes movie soundboard.
You can hear this line at 01:27:51 in the Blu-ray version of the movie.
Quote context
[...]
- What's the sense of having a communications officer who can't communicate?
- Communication? He's more like a damn military censor.
- Good morning, sir. I'm just back from Paris and I got everything you wanted.
- All I want is to know whether we have broken through or whether we haven't.
- Well, it's pretty hard to say for certain, sir. Nothing's been confirmed yet.
- Is that Clermont, Booker? Then why in the hell didn't you say so?
- That's 30 miles beyond their lines.
- Yes, sir, but it's pretty hard to pick them up clearly, sir, this time in the morning.
- Got something to do with the ionosphere.
[...]