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 ...

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.

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

The lab also is developing acoustic material that helps make submarines quieter. Blue said research money for transducers has been easier to get since the revelations of the Walker spy case in ...

An MH-60R Seahawk Helicopter, attached to Helicopter Marine Strike Squadron (HSM) 46, prepares to lower a dipping sonar transducer during anti-submarine warfare (ASW) training with the amphibious ...

China began installing underwater passive sonar systems in its coastal waters back in 2011. This enables China to monitor submarines operating off its coasts and, presumably, in the South China Sea.

A new type 094A Jin-class nuclear submarine Long March 10 of the Chinese People's ... after which the fuse would deploy a drogue-stabilized omnidirectional sonar transducer as it fell through the ...

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 ...