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The Honeymoon Machine (1961)

As Lieutenant Fergie Howard and Ensign Beau Gilliam are playing poker on board their ship, "El Mira", they are interrupted with the announcement that "Operation Honeymoon" has been launched successfully. This is due to Max the computer- a computer that can pin point exactly where and when a missile will land once it has been launched. This information gives Fergie and idea of how to become rich quick and easy. He asks the navy scientist, Jason Elderidge, if Max can tell where a ball will land when playing roulette- the answer is, yes! When they dock in Venice, Fergie, Beau and Jason check into an expensive hotel and hit the Venice Casino. The three soon find out that becoming rich won't be as easy as they think, for, Admiral Fitch is staying in the same hotel- just one floor below them. If Admiral Fitch discovers what the are doing, they are in big, big trouble.