And what looks like an exercise could be a prelude to war. How can we tell the difference?

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

You can hear this line at 01:03:56.516 in the Blu-ray version of the movie.

Quote context

[...]

- Naval activities? I have no knowledge of this. But then, of course, I never was a sailor.

- Mr. Ambassador, you have nearly 100 naval vessels operating in the North Atlantic right now.

- Your aircraft has dropped enough sonar buoys so that a man could walk from Greenland to Iceland to Scotland without getting his feet wet.

- Now, shall we dispense with the bull?

- You make your point as delicately as ever, Mr. Pelt, but the sea has...

- And what looks like an exercise could be a prelude to war. How can we tell the difference?

- Prudence demands that we deploy our ships to observe yours.

- It would be well for your government to consider that having your ships and ours, your aircraft and ours, in such proximity is inherently dangerous. Wars have begun that way, Mr. Ambassador.

- We have lost one of our submarines.

- Lost it?

- We fear she may be down, and... Well, this is most embarrassing, but several of the crew and the officers are sons of high party officials.

- One is even the son of a Central Committee Member. I cannot say which, of course.

[...]