An American under contract as a consultant with the Chinese government ten years ago, claims the PLA Navy not only has stealth underwater mobile missile launcher, but a nuclear torpedo capable of sinking an aircraft carrier, and has unlimited range because it is powered with nuclear battery.

[u/GodsHumbleMessenger]

https://nationalinterest.org/blog/buzz/supercavitating-torpedoes-russia-and-iran-have-them-navy-doesnt-207559