A new type of sonar developed at Stanford University with funding from the U.S. Navy can see objects underwater from the air. This could transform detection of submarines and underwater mines.

The TR-343 transducer is part of the AN/SQS-53 hull-mounted sonar array assembly, which is a component of the AN/SQQ-89(V) acoustic sonar weapons system. The AN/SQQ-89(V) is a fully integrated surface ...

Lt. j.g. Matthew Clark, assigned to the Arleigh Burke-class guided-missile destroyer USS Mahan (DDG 72), talks to sonar technicians about attack options during anti-submarine warfare training ...

Ultra Electronics Ocean Systems Inc., Braintree, Massachu ...

Submarines are meant to be stealthy, ... Passive sonar on the other hand listens for sounds in the water using specialized transducers under water microphones called hydrophones.

Sonar is the most well-known navigational system submarines use, informing the crew of underwater topography, potential threats, as well as the presence of marine animals. There are two types of ...

While German submarines extracted a horrifying toll in the years between 1939 and 1945, a new technology—sonar—gave the Allies an important tool in locating and sinking Axis submarines.

What You Need to Know: The Rubis-class submarine's surprising success against the USS Theodore Roosevelt in a 2015 war game ...

To counter this, its sonar systems act as both the eyes and ears of a submarine. By emitting powerful sound waves, measured up to 235 decibels, these pulses are capable of traveling hundreds of ...