Saphir class Surcouf class Type II class Type VII class Type IX class Type X and Type XI classes Type XVII class Type XXI class Type XXIII class Siren, Perla, Adua and Acciaio classes Cagni class Archimede class RO-100 and RO-35 classes I-15 class I-361, I-313 and I-351 classes I-400 class O, P and R classes Porpoise class S class T class U and V classes Narwhal class New S class Gato and Balao classes Tench class
