Built in the Muggiano Shipyard was delivered to the Navy on 19 February 2007. His name was taken over from a previous submarine launched in 1938, famous during the Second World War for some successful missions with slow-moving torpedoes or SLC known as the Pig nicknames, culminating in the famous raid in the port of Alexandria, Egypt , Where the English fleet was practically halved. The X. MAS, in fact, with the SLC sunk British Valiant, and Queen Elizabeth, battle ships. The submarine Sciré,was sunked during a raid on Haifa Harbor on August 10, 1942. From 2 to 28 September 1984, was rescued from the Anteo crew 42 of the 49 crew members. On this occasion, several parts of the hull have also been recovered, removed in a previous attempt to recover it. These are parts of the door, various pieces of the two cylinders of slow-stroke torpedo. The parts of the wreckage are retained at the museum of the naval base of Augusta, the Arsenal of La Spezia and the Arsenal of Venice, while its periscope is preserved at the Victorian.