 http://en.wikipedia.org/wiki/VA-111_Shkval |
When we first heard about Soviet “supercavitating” high-speed torpedoes, one objection was that, since they couldn’t maneuver, they would be useless against ships.
But with a nuke warhead against a stationary target like a port...
The nuclear torpedo project was actualy researched further in the Sovet Union, as the book I linked, describes.