**OVERVIEW:** The S 522 *Salvatore Pelosi* [Sauro III Class] is a diesel-electric submarine operated by the Italian Navy. Commissioned in 1988, the *Salvatore Pelosi* represents the third tranche of the *Sauro* class, featuring incremental improvements over earlier versions.

**DETAILS:**

The *Sauro* class submarines were developed by Fincantieri in Italy to replace the aging *Toti* class. The design philosophy prioritized acoustic stealth and maneuverability in the confined waters of the Mediterranean Sea. The *Sauro III* variant, to which *Salvatore Pelosi* belongs, incorporated improvements in noise reduction, fire control systems, and sensor integration compared to its predecessors, *Sauro I* and *Sauro II*. These improvements resulted from operational experience and advancements in submarine technology during the 1980s. The class was designed to be a cost-effective, regionally focused submarine force capable of fulfilling a variety of roles.

The *Salvatore Pelosi*'s primary roles encompass anti-submarine warfare (ASW), anti-surface warfare (ASuW), and intelligence gathering. While not specifically designed for anti-air warfare (AAW), the submarine could potentially engage low-flying aircraft in self-defense using MANPADS, although no such system is explicitly listed in the armament inventory. Its deployment would typically involve patrolling strategic choke points, monitoring naval activity, and conducting reconnaissance operations. The vessel's relatively small size compared to nuclear-powered submarines makes it well-suited for operations in shallow and littoral environments.

The submarine's effectiveness is enhanced by its sensor suite. The M5 [DUUG-6] sonar provides active and passive detection capabilities, while the IPD-70/S MF sonar likely offers medium-frequency detection and tracking. The IPD-70/S LF likely offers long-range detection. The MD-100/S sonar system’s specific functionality is not known, but it’s possible it functions as a mine detection system. The MM/BPS-704 [3RM-20 SMG] radar, operating within the I-band, is used for surface search and navigation, and can also provide targeting data for surface engagements. The MM/BLD-727 Thetis system is a towed array sonar, significantly enhancing passive detection range and reducing the impact of own-ship noise. Optical and Low-Light Television (LLTV) periscopes provide visual situational awareness and targeting capabilities. The armament of 533mm torpedo tubes provides a significant offensive capability against both surface and subsurface targets.

**SPECIFICATION:** Length: 63.9 m || Beam: 6.8 m || Draft: 5.7 m || Disp: 1476 t

**SENSORS:** M5 [DUUG-6] || IPD-70/S MF || MD-100/S || MM/BPS-704 [3RM-20 SMG] || MM/BLD-727 Thetis || IPD-70/S LF || Generic Submarine Periscope, Optical || Generic Submarine Periscope, LLTV

**ARMAMENT:** 533mm TT