Its that the delivery of the word completely changes the movie.

Like the previous movie McTiernan directed,Die Hardfrom 1988,Red Octoberis a masterclass in action filmmaking.

When the Americans come aboard, Ramius spies the pistol on Mancusos belt and makes a comment to Borodin.

Sean Connery in The Hunt for Red October

Ryan chuckles, which surprises both Mancuso, to whom Ryan explains the joke, and Ramius.

At that moment, Ryan and Ramius bond, relieved that their gambits have paid off.

Its a thriller, one that leaves little room for philosophizing on international affairs.

Which he did right at the start of the movie with the language shift.