Really? Why? Russia's sub fleet is far superior to China's both in terms of quantity and quality. Whatever's good enough to take on the Russian sub threat should be plenty good enough to take on China's.
Because the Chinese fleet is expanding, training and learning.
Add that to the Russians...
Anyhoo, why so arsey about an off hand comment? Chill out ffs.
Also, I wrote it before Putin
really started getting pi55y in Ukraine.