The UK’s Astute-class submarines are among the most advanced and quietest in the world, rivaled only by the U.S. Navy.

Russia’s Borei-class nuclear-powered submarines may surpass American submarines in sonar capability and situational awareness ...

The deepest a submersible of any kind has ever descended, the BBC reported in May 2019, was 10,927 meters or approximately ...

The 688i Improved Los Angeles-class submarines, introduced in the late Cold War, remain essential to the U.S. Navy. Building on the original Los Angeles-class, these submarines incorporate quieter ...

"Noise, which would otherwise be picked up by what is known as passive sonar ... the International Submarine Escape and Rescue Liaison Office, based in Northwood just outside London, co-ordinates ...

These submarines are renowned for their advanced stealth features, including a teardrop hull shape and anechoic tiles that make them nearly invisible to sonar detection. What You Need to Know ...

On the outside, it seemed that the Swedish ... high-tech detection hardware that entails, including sonar deployed from aircraft and submarine hunter ships. The Gotland, of course, didn't actually ...

Since 2000, at least 14 expedition crews have unsuccessfully tried to find the final resting place of the HMS Trooper, but the ill-fated World War II submarine has finally been located.

The submarine is now an attraction at the Intrepid ... Each room had a corresponding number that crew members could dial. The sonar room also aided Growler's navigation. Sonar stands for sound ...

"We're really experiencing the outcomes of delaying decisions to recapitalize the nuclear triad that happened over a number of years," said Shelby Oakley.

But as early as 1985, advances in optical amplifiers were being made that would eventually find their way into submarine cables. That was when a physics grad student named Robert Mears did ...