The Sauro class constitute the actual submarine fleet of the Italian Navy. Built in Italy in the shipyards of Fincantieri of Monfalcone, they have replaced the submarines of the Toti class and the American Romei class. The Sauro class were delivered in 4 batches to the Italian navy with every batch small modifications and improvements. In order to increase to service life of the Sauro class 6 of the total of 8 will be going through an upgrade process receiving new STN-Atlas Elektronik ISUS-90-20 combat data and control systems, new silencing measures, and new ship control systems in a program to be completed next year. [
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