This Sonar Display is comprised of a "waterfall," many ... Remember, when in a submarine one must think up and down as well as left and right. Sonar technicians are able to look at the sound ...

Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II.

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 ...

A way for submerged submarines to communicate with planes has been developed by researchers at MIT. At present, it is difficult for planes to pick up underwater sonar signals because they reflect ...

Unlike some other submarines, there is no evidence ... This is used to localize, process, and display intercepted active sonar transmissions and any acoustic transient events.

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 ...