- A what?
- A whale, Beaumont. A whale. A marine mammal that knows a hell of a lot more about sonar than you do.

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

You can hear this line at 00:11:12.350 in the Blu-ray version of the movie.

Quote context

[...]

- Do you hear it now?

- Wait a minute. Maybe.

- It's buried in surface clutter?

- Yes.

- I should go to SAPS?

- Correct, Seaman Beaumont. Signal algorithmic processing systems.

- Give it a week, and you'll be teaching at Cal Tech.

- So, like Beethoven on the computer, you have labored to produce... a biologic.

- A what?

- A whale, Beaumont. A whale. A marine mammal that knows a hell of a lot more about sonar than you do.

- Kill the SAPS. Train over to 2-6-9 and let's try it again.

- If he gets to ragging on you too bad, kid, you could always ask him about Pavarotti.

- COB, we don't have time for sea stories.

- I was in the middle of teaching Seaman Beaumont here the intricacies of modern sonar.

[...]