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  2. SOSUS - Wikipedia

    en.wikipedia.org/wiki/SOSUS

    Sound Surveillance System (SOSUS) was the original name for a submarine detection system based on passive sonar developed by the United States Navy to track Soviet submarines. The system's true nature was classified with the name and acronym SOSUS classified as well.

  3. Sonar - Wikipedia

    en.wikipedia.org/wiki/Sonar

    The LUIS (lensing underwater imaging system) is another imaging sonar for use by a diver. There is or was a small flashlight-shaped handheld sonar for divers, that merely displays range. For the INSS (integrated navigation sonar system)

  4. Underwater acoustics - Wikipedia

    en.wikipedia.org/wiki/Underwater_acoustics

    Output of a computer model of underwater acoustic propagation in a simplified ocean environment. A seafloor map produced by multibeam sonar. Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries.

  5. Underwater acoustic positioning system - Wikipedia

    en.wikipedia.org/wiki/Underwater_acoustic...

    An early use of underwater acoustic positioning systems, credited with initiating the modern day development of these systems, [15] involved the loss of the American nuclear submarine USS Thresher on 10 April 1963 in a water depth of 2560m. [16] An acoustic short baseline (SBL) positioning system was installed on the oceanographic vessel USNS ...

  6. CAPTAS-4 - Wikipedia

    en.wikipedia.org/wiki/CAPTAS-4

    The CAPTAS-4 is a towed array sonar developed by Thales Underwater Systems to equip first-rank surface combatants.Manufactured in Brest, France, it represents the high-end and most powerful system of the company's CAPTAS (Combined Active and Passive Towed Array Sonar) line of products [1] and equips several first-rank warships of the French Navy as well as those of various export customers.

  7. Thales Underwater Systems - Wikipedia

    en.wikipedia.org/wiki/Thales_Underwater_Systems

    Thales Underwater Systems or TUS (formerly Thomson Sintra ASM, Thomson CSF DASM and then Thomson Marconi Sonar) is a subsidiary of the French defense electronics specialist Thales Group. It was founded in 2001 and belongs to its naval division.