- Sir, remember the dispatch we got about Russian sub skippers running the Reykjanes Ridge at high speeds because they had hyper-accurate surveys of the underwater canyons?
- Yeah, yeah, Red Route One.

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

You can hear this line at 00:53:12.970 in the Blu-ray version of the movie.

Quote context

[...]

- Sir, I'm sorry. Listen to it at ten times speed.

(Submarine engine)

- Now, that's got to be manmade, Captain.

- The first contact was at 09:15, and the bearing was 2-6-9. At 09:30, it was here.

- I came back to it at 11:00 and 11:15, here and here.

- Sir, remember the dispatch we got about Russian sub skippers running the Reykjanes Ridge at high speeds because they had hyper-accurate surveys of the underwater canyons?

- Yeah, yeah, Red Route One.

- And the front door to those canyons was a formation called Thor's Twins, right?

- Yeah?

- Look.

- Look at that. Right into Red Route One.

- Captain. You may think I'm crazy, but I'll bet that magma displacement was actually some new Russian sub, and it's headed for the Iceland coast.

- Have I got this straight, Jonesy?

[...]