Why DSME doing ORE on Nagapasa class
Cited from Lembaga Keris each Nagapasa Class has different problems, the most plagued are 403 & 404, launched by the Koreans.
The jurnal link
https://jurnal.idu.ac.id/index.php/DefenseJournal/article/view/15134
Source...
towed sonar must be deployed 1st and can be used on certain speed if you dont want the blade interfering the towed sonar capabilities. So thats why both Ficantieri and ALRI are aiming for the FREMM ASW deal.
Indeed focused on one platform should be the ideal solution. But i think MoD is trying...