<summary>Update Virginia Flight III-V (SSN-784 onwards) sonars </summary>
<detail>In the newest U.S. Navy Virginia-class submarines, the bow sonar is called LAB (Large Aperture Bow) and is horse-shoe-shaped. The LAB sonar replaces earlier sonar spheres, which were located on the front bow dome and surrounded by air. To improve the Acoustic Intercept sonar’s listening ability, the bow dome is now filled with water and is made with special composite materials to improve the transfer of acoustic signals.
The LAB sonar, which is both more precise and longer range than its predecessor, also advances the curve in that it introduces both a passive and “active” sonar system.
The LAB Array has 2 primary components: the passive array, which will provide improved performance, and a medium-frequency active array. It utilizes transducers from the SSN-21 Seawolf Class that are that are designed to last the life of the hull.

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<evidence>
https://news.usni.org/2013/11/04/navy-c ... ttack-boat
https://www.globecomposite.com/blog/sil ... -intercept
https://www.naval-technology.com/projects/nssn/
https://nationalinterest.org/blog/buzz/ ... ter-160031
https://www.defenseindustrydaily.com/vi ... bow-04159/
https://defensesystems.com/articles/201 ... arine.aspx
</evidence>