DEBKAfile exclusive:  Iranian production lines are turning out a new type of speed mini-submarine customized for combat against the US and other Western navies present in Persian Gulf waters. On the principle of asymmetric warfare, the new pint-sized Iranian submarines are light in weight and able to dart nimbly around large vessels to explode on contact with their floating target. Their pilots are bent on suicide. These mini-subs are designed to complement the app. 2,000 Revolutionary Guards’ explosive speedboats.