View: https://youtu.be/5JKO5y9NAdY?si=_-j3RlfYGDLSImvn
Japanese launching their sub chogei, 1920s submarine was also named same, it's fifth Taigei class of submarines.
The sub germans are offering will be bigger than this.
More regarding sub.
Japan’s Mitsubishi Heavy Industries (MHI) has launched the fifth Taigei-class diesel-electric attack submarine "Chogei" 「ちょうげい」 for the Japan Maritime Self-Defense Force (JMSDF).
View: https://youtu.be/Vl6f4M9FMKI?si=U4hjHoyYLDDC4ERX
Info regarding latest Japanese destroyers, don't fall for name changes, they are upgradation like P-15A and P-15B series.
Chowmeins made their type 55 certainly for these, I can tell that for sure.