[Mariner]

Right now there’s a Navy sonar tech in Hawaii listening to Chinese subs off the coast of Hainan Island and in the Yellow sea.

He is tracking each one by hull nr.

Even other subs can hear them from over 100 miles. And it manifests the old submariner’s adage: Silent or dead.

[blam]

"Right now there’s a Navy sonar tech in Hawaii listening to Chinese subs off the coast of Hainan Island and in the Yellow sea."

What is State of the Art in Submarine Detection?
(Old sub sailor, SS-368)