Originally Posted by SnowLeopard

I don't know ....... and even if I did know, I wouldn't answer because that's the kind of weapons specific answer that was secret when I was in. It was over 20 years ago but I still maintain my loyalties.

But, as long as we are talking somethng of U-Boat tactics, of studying your enemy for a firing solution while still over the horizon, let me point out something else. Stack gases are a great give away for that. The Iowas have them; the Kirovs without the superheater don't.
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("I remind you that you are still bound by the Official Secrets Act."--M to 007 on his resignation, (w,stte), "License to Kill")