Silent Enemy

After Italian frogmen sink two battleships in Alexandria harbour, the Admiralty is thirsting for revenge. The only question is where and when and how. No matter what is decided, there's really only one man for the job and that's Wilbur 'Butch' Cobb, former long-distance swimmer and now a member of that most exclusive club, the frogmen of both sides. With modern intelligence, not to mention their pre-war activities, it's like they all know each other sometimes.
Collectively, they are presently engaged in rewriting the rules of warfare in a game that is very, very dangerous. A short story of World War Two adventure and suspense.