While the contract mostly covers services for the U.S. Navy, it also includes work for Japan under foreign military sales.
The AN/SQQ-89A(V)15 is designed to detect, classify and track undersea targets such as submarines, mines, torpedoes and drones. It is mounted on the Ticonderoga-class cruiser and Arleigh Burke-class destroyer. Overall, 35 cruisers and destroyers have received the units for undersea warfare.