The Japanese submarine entered the South China Sea for the first time to conduct exercises and the abacus played very clearly

The Japanese submarine entered the South China Sea for the first time to conduct exercises and the abacus played very clearly: The reference news network reported on September 19 that Japan dispatched submarines to the South China Sea in an extremely secret manner last week and implemented imaginary anti-submarine warfare training. The Japanese Defense Ministry confirmed this on the 17th. Japanese media mentioned that it is