Preceded by:
NoneSucceeded by:
None| Ship | Code | Builder | Laid | Launch | Comm | Decomm | Fate | ||
 |
RO-33 † | Kure K K | 08/08/1933 | 10/10/1934 | 07/10/1935 | 29/08/1942 | † | Loss by surface ship | |
|
RO-34 † | Mitsubishi | 25/04/1934 | 12/12/1935 | 31/05/1937 | 05/04/1943 | † | Loss by surface ship |