Squalo-class submarine

The Squalo-class submarines were a group of four boats operated by the Italian Regia Marina from 1930. They were built at the Cantieri Riuniti dell'Adriatico (CRDA) shipyard at Monfalcone, and designed by Curio Bernardis.

Ships

 * ITALIAN SUBMARINE Delfino (Dolphin), sank after a collision off Taranto, 23 March 1943.
 * ITALIAN SUBMARINE Narvalo (Narwhal), sunk by the British destroyers HMS Pakenham (G06) and HMS Hursley (L84), and RAF aircraft, in the Mediterranean Sea at 34.13333°N, 16.06667°W, 14 January 1943.
 * ITALIAN SUBMARINE Squalo (Shark), withdrawn from service, 9 September 1943.
 * ITALIAN SUBMARINE Tricheco (Walrus), sunk by the British submarine HMS Upholder (P37) off Brindisi in the Adriatic Sea at 40.75°N, 17.93333°W, 18 March 1942.