Submarines began navigating the depths before ... The tradeoff for such speeds was noise, and the crew reported that the sound was intolerable, sounding like "the thunder of the engine room ...

This will likely lower the overall noise profile of the Type 096 to below 100 decibels, making the submarine nearly indistinguishable from background ocean noise. This range allows for the Type ...

Each hull is fitted with more than 39,000 acoustic tiles that mask the vessel’s sonar signature and allow the submarines to glide through the water almost silently. The little noise the boats ...

But the sonar equipment is in the submarine’s bow to insulate it from the propeller noise in the rear, creating a blind spot called a baffle directly behind the submarine. To prepare for ...

Hai Kun also lacks the anechoic coating that many modern submarines possess. This anechoic coating muffles noise produced by the submarine’s machines which, in turn, increases a submarine’s ...

North Korea's unveiling of its first nuclear-powered submarine marks a bold leap in its military ambitions, but skepticism ...