- Will he be the only one looking through the periscope?
- Probably.
- We'll have to chance that.

5 seconds sound clip from the The Hunt for Red October movie soundboard.

You can hear this line at 01:37:36.323 in the Blu-ray version of the movie.

Quote context

[...]

- Tubes three and four are flooded, but outer doors are closed.

- Flank, set depth 25 meters.

- Depth 25 meters.

- Mark this bearing.

- You wanted to talk to him, Mr. Ryan. There he is.

- What do you want to say?

- Will he be the only one looking through the periscope?

- Probably.

- We'll have to chance that.

- U.S. told you intend missile launch. Break. Do not approach U.S. coast or you will be attacked. Break.

- If intention is other will you discuss option? Break.

- Can he acknowledge with a single ping?

- Yeah, he can. The question is, will he?

- Verify our range to target. One ping only.

- Aye, Captain.

[...]