Sorry, sir. The commies have put some guerrillas through our left flank.

5 seconds sound clip from the Battle Circus (1953) movie soundboard.

You can hear this line at 01:21:04 in the Blu-ray version of the movie.

Quote context

[...]

- Alright, move out!

- Hi.

- Hiya, sarge.

- How's things going?

- Rough.

- What's the trouble, lieutenant?

- Sorry, major. You can't get through here.

- I'm moving a hospital. I've got a lot of casualties.

- Sorry, sir. The commies have put some guerrillas through our left flank.

- We've got them cornered about two miles down the road.

- You might get through there, though.

- You sure that trail's open?

- I'm not sure of anything, major.

- But it's better than staying here, 'cause in about two minutes, you and your casualties might be up to your necks in fighting.

[...]