The US Navy is outfitting a pair of its submarines with new technologies that will improve its sonar and cut back on the noise of the boat's nuclear-powered steam generator. The new techs are ...

The Chinese Type 091 struggled to meet the same thermal performance standards and sound reduction, as sonar detection is the biggest threat to a submarine's security. The advanced sonar ...

U-96 Sonar is a good example in this sense ... bring it up to modern standards but rather to do so while retaining the submarine's "historical essence." Photo: Apple Camping This was done by ...

Fitted to the array is sophisticated sonar equipment, which, in this incident, was in a collision with the Russian submarine. HMS Northumberland was tracking the underwater vessel at the time of ...

The submarine’s sonar has difficulty detecting vessels that are behind it. Investigators with the Japan Coast Guard’s 5th Regional Headquarters suspect professional negligence endangering ...