Civilian submarines
Apparently, a problem for both the military and dolphins.
I have drooled over the U.S. Submarines website for a few years now, and assumed, sadly, that their enormous and beautiful undersea yachts were just Powerpoint exercises. I have never seen a photo of a real one, although there are plenty of photos of the company's tourist and research subs.
Now it sounds like some folks out there have one. Cool! Maybe it's even one of these!
More in PDF file here. Read and drool!