I like the turbulence emphasis in Red October.

I think they decided to fake deep water lighting and use turbulence for dramatic effect. In deep water you probably couldn't visually see anything anyways.

Could you make some turbulence prop for your animated sub, Helgard? That would be very cool.

http://movieclips.com/watch/the-hunt-for-red-october-1990/escaping-torpedoes/