The Russians also have a long history of "special purpose" submarines, and are currently expanding their fleet of them again. Lots and lots of details eg largi

The Russians also have a long history of "special purpose" submarines, and are currently expanding their fleet of them again. Lots and lots of details eg largish "mini" submarines that dock on the underside of massive subs at http://www.hisutton.com http://www.hisutton.com