Siluro a Lenta Corsa (SLC), also known as Maiale (pig), a low speed human torpedo. On December 3, 1941, Sciré departed La Spezia carrying three Maiale to conduct what became the Raid on Alexandria (1941). At the island of Leros in the Aegean Sea, six Decima Flottiglia MAS crewmen came aboard, including Lieutenant Luigi Durand de la Penne.