[blam]

"How fast can a submarine go?"

If you were told, you wouldn't believe it.

[Paul R.]

Why not?

Mo’ Nature makes a pretty impressive design:

https://oceanservice.noaa.gov/facts/fastest-fish.html

[BreezyDog]

I’ve heard nuclear aircraft carriers can top out at about 60 mph. Crazy if true.

[sarge83]

I’ve heard stories the old Enterprise CVN-65 could flat out leave anything afloat in its wake she was so fast.