AN/SQQ-89A(V)15 Tactical Sonar
AN/SQQ-89A(V)15 Tactical Sonar

L3 Adaptive Methods Awarded Contract to Exercise Options for AN/SQQ-89A(V)15 Tactical Sonar

L3 Adaptive Methods, Centreville, Virginia, is awarded an $8,156,530 cost-plus-fixed-fee and cost modification to previously awarded contract N00024-20-C-5211 to exercise options and incrementally fund existing contract line items for program management, systems engineering, and software development for the AN/SQQ-89A(V)15 Tactical Sonar data processing engineering efforts. 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. This contract combines purchases for the Navy (99%); and the government of Japan (1%) under the Foreign Military Sales (FMS) program. Work is expected to be completed by May 2023. The U/S. Naval Sea Systems Command, Washington, D.C., is the contracting activity.

The AN/SQQ-89(V) series is the first integrated surface ship USW/ASW combat system. It has a continuing development program, using an open system architecture to incrementally modernize the existing systems by providing contact fusion capabilities, improved data processing performance, and classification improvements. The open system architecture developed into the AN/SQQ-89(V) enables further affordable performance growth to meet emerging Fleet requirements. The Scaled Improved Sonar System (SIPS) took selected functions from the AN/SQQ-89A(V)15 while it was undergoing its initial system development and added them, as an adjunct system, to legacy AN/SQQ-89(V) systems to provide access to the most current ASW performance then available while the A(V)15 ramped up to its initial production.

The AN/SQQ-89A(V)15 program brings the newest production variants of the AN/SQQ-89(V) system to the Fleet in an ongoing multi-year back-fit effort to upgrade installed legacy USW systems on destroyers and select cruisers. The AN/SQQ-89A(V)15 system variants are developed using a best of breed build-test-build process, ensuring cost effectiveness through commonality with submarine and surveillance USW systems. The system incorporates hull-mounted sonar (AN/SQS-53C), wideband omni-directional receivers supporting acoustic intercept, and the Multi-Function Towed Array (MFTA), also integrated with an acoustic intercept capability. 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 MFTA. Forty-six destroyers and cruisers (43 DDGs and 3 CGs) have received AN/SQQ-89A(V)15 back-fits as of 04 December 2018.

AN/SQQ-89A(V)15 Tactical Sonar

The AN/SQQ-89(V) Surface Ship Anti-Submarine Warfare (ASW) Combat System provides integrated Undersea Warfare (USW) combat management, fire control, command and control, and onboard training to enable surface combatants to support engagement of USW targets in both open ocean and littoral environments. The AN/SQQ-89(V) provides surface warships with a seamlessly integrated USW/ASW detection, localization, classification and targeting capability. The system presents an integrated picture of the acoustic tactical situation by receiving, combining and processing active and passive sonar sensor data from a variety of hull-mounted arrays, towed arrays, and sonobuoys. In addition to active and passive detection, the system provides a full range of USW functions: underwater fire control, onboard training capability, a highly-evolved display subsystem, and integration with the Light Airborne Multi-Purpose System (LAMPS MK III and Block II Upgrade) helicopter for sonobuoy signal processing.

Sonar Technician (Surface) 1st Class Mark Osborne supervises Sonar Technician (Surface) 2nd Class Randy Loewen, left, and Sonar Technician (Surface) 3rd Class Roland Stout, right, as they monitor contacts on an AN/SQQ-89V15 Surface Anti Submarine Combat System, aboard the guided missile destroyer USS Momsen (DDG 92). Ships and aircraft assigned to Carrier Strike Group (CSG) 9 are underway off the coast of Southern California participating in a Joint Task Force Exercise. (U.S. Navy photo by Mass Communication Specialist 2nd Class James R. Evans)