Originally Posted by mugaliens

Huh? I know more than a dozen naval submariners, and absolutely none of them have any problems telling me whether or not their sub is powered by nuclear propulsion.

Then again, I posses a security clearance which allows me to know such information. I know that details of classified info have always been the subject of very short strings, depending upon who was listening - it's been inbred to the military and similarly civilian involved (same security clearances).

Might that be the difference?

As to which subs contain what propulsion systems, etc, I have access to, but will never divulge such info on this or any other public, non-SIPRnet board.

Nor do I think would anyone else who has access to similar information.