It's one of the most controversial new pieces of electronics: omnidirectional sonar.
Side scan sonar image (410 kHz) of the German submarine, U-166
US Navy detected Titanic sub implosion HOURS after submersible lost contact
New Sonar For Navy Frigates Could Turn Any Ship into Submarine Hunter, Maker Says - Defense One
Most submarines use sonar to track other vessels - The Economic Times
Side-scan sonar - Wikipedia
/pic7069368.jpg)
Captain Sonar, Board Game
Radical New Stealth Submarine, Type-212CD, Will Be Much Larger - Naval News
EP57, Flying through the air on a sub, Bob Bailey Sonar Tech First Class, Submarine Sea Stories
Sonar Technician 2nd Class Jacob Glenn, from Corvallis, Oregon, assigned to the Arleigh Burke-class guided missile destroyer USS Lassen's (DDG 82) operations department, stands watch in the undersea warfare work center, June
Navy plans extensive training in Pacific Northwest. Here's how many animals could be hurt.
Sonar Survey Reveals the Lost WWII Ships of Dunkirk
What large submarines have a use other than war? - Quora
Report on sonar
See New Sonar Scans That Capture Long-Forgotten Dunkirk Shipwrecks in Vivid Detail
/pic7292131.png)
Captain Sonar: Upgrade One, Board Game
