Sparsely Populated Volumetric Array (SPVA)

The Sparsely Populated Volumetric Array (SPVA) is part of a suite of passive acoustic underwater threat detection and localization sensor arrays being developed for U.S. Navy submarines and the Aegis -equipped ARLEIGH BURKE-class destroyers.

The extremely compact sensor array provides the ship with a self-defense capability against torpedoes and other acoustic threats. In tests, it has proven effective as a harbor, bottom-mounted passive acoustic array, capable of detecting...