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AN/SQQ-89(V) Undersea Warfare / Anti-Submarine Warfare Combat System
 
Description
The AN/SQQ-89(V) Anti-Submarine Warfare / Undersea Warfare Combat System (ASWCS / USWCS) provides surface warships with a seamlessly integrated undersea/anti-submarine warfare detection, localization, classification and targeting capability. The system presents an integrated picture of the tactical situation by receiving, combining and processing active and passive sensor data from the hull-mounted array, towed array and sonobuoys. The AN/SQQ-89(V) is integrated with the AEGIS combat system and provides a full range of Undersea Warfare (USW) functions including active and passive sensors, underwater fire control, on board trainer and highly-evolved display subsystem. The system has been deployed on the Oliver Hazard Perry (FFG-7) class frigates, Arleigh Burke (DDG 51) class destroyers, and Ticonderoga (CG 47) class cruisers. Further, it is the technological foundation for the USWCS for DDG 1000 and the Littoral Combat Ship (LCS).

The AN/SQQ-89A(V) USWCS is composed of a hull-mounted sonar (SGS-53 series), wide band omni directional receivers supporting accoustic intercept, Towed Array Sonar (AN/SQR-19 or Multi-Function Towed Array (MFTA)), and integrates with the Light Airborne Multi-Purpose Systems (LAMPS MK III and Block II Upgrade) helicopter for sonobuoy signal processing. The AN/SQQ-89(V) Integrated USW Combat System suite is the most advanced ASW system in the world today, and gives the U.S. Navy the best equipped anti-submarine warfare platforms in the world today.

The AN/SQQ-89A(V)15 program is the newest variant to the AN/SQQ-89(V) Undersea Warfare Combat System which will be back fir to upgrade installed USW systems on cruisers and destroyers. The AN/SQQ-89A(V)15 system was developed using a best of breed build-test-build process, ensuring cost effectiveness through commonality. The system incorporates the new Multi-Functional Towed Array (MFTA) integrated with an Acoustic Intercept capability. It greatly expands sensor performance using Open Architecture Level 3 Commercial Off the Shelf (COTS) processing. The AN/SQQ-89A(V)15 also incorporates expanded active processing capability with the integration of Echo Tracker Classifier (ETC) for both the hull sensor and the MFTA for below layer detection capability.

From the forward fit perspective, the AN/SQQ-89(V)15 is installed in new construction DDG 51 Flight IIa class ships beginning with DDG 103. Like previous DDG 51 Flight IIa AN/SQQ-89 variants, the AN/SQQ-89(V)15 with EC200/204 does support towed array signal processing.

The Scaled Improved Sonar System (SIPS) takes selected functions from the AN/SQQ-89A(V)15 development system and adds them, as an adjunct system, to legacy AN/SQQ-89(V) systems providing the most current ASW performance today while A(V)15 completes development and ramps up production.

 
Background
The AN/SQQ-89(V) series is the first integrated anti-submarine warfare (ASW) combat system for surface ships, combining sensors and weapons control systems with sophisticated data processing and display. The SQQ-89(V) has evolved through various configurations over the years to accommodate multiple classes of ships and evolving sensors and ASW weapon systems.

The AN/SQQ-89(V) has a continuing development program, the objective of which is to incrementally modernize the existing AN/SQQ-89(V) systems by providing contact fusion capabilities, improved data processing and classification performance, as well as an open system architecture. The open system architecture developed into the AN/SQQ- 89(V) enables further affordable performance growth to meet fleet requirements. Additional improvements under development will provide a fully integrated AN/SQQ-89(V) ASW Combat System with improved performance in the shallow, littoral environment.
 
Point Of Contact
Naval Sea Systems Command

Office of Corporate Communications (SEA 00D)
Washington Navy Yard, DC 20376
 
Last Update: 9 November 2009