Preceded by:
NoneSucceeded by:
None| Ship | Code | Builder | Laid | Launch | Comm | Decomm | Fate | ||
 |
Pietro Calvi † | OTO | 20/07/1932 | 31/03/1935 | 16/10/1935 | 15/07/1942 | † | Loss by surface ship | |
|
Giuseppe Finzi | OTO | 01/08/1932 | 29/06/1935 | 08/01/1936 | 09/09/1943 | Captured/Surrendered | ||
|
Enrico Tazzoli † | OTO | 16/09/1932 | 14/10/1935 | 18/08/1936 | 16/05/1943 | † | Loss by aircraft |
| Ship | Code | Former | Code | Comm | Decomm | Fate | |||
 |
UIT-21 † |  |
(Unnamed) | 09/09/1943 | 25/08/1944 | † | Scuttled active |