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.

Anti-submarine rockets are missiles that launch into the air then fall to the water and break apart to release a torpedo that ...

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 ...

The two systems are designed to work in combination with unmanned aerial vehicles (UAVs), maritime patrol aircraft, surface ...

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.

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.

Submarines and other underwater vessels have gotten around this issue in the past using sound waves, aka sonar. Sound can actually travel thousands of miles in water without losing its signal ...

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 ...