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vettes with an anti-submarine warfare capability as well some  agencies, said Dr. John Hogan, director of the
        degree of ability to detect mines.                             Sensor Processing and Exploitation group at
                                                                       BAE Systems. The Riptide family consists of three
                                                                       types of portable small UUVs, which the com-
        Under a contract signed between Aselsan and Turkey’s Presidency
        of Defence Industries in 2018, the FERSAH sonar has been installed   pany said, “are sophisticated yet simple,
        on the Turkish Navy’s Barbaros-class frigates, where it replaced the  efficient and highly flexible platforms
        Raytheon AN/SQS-56 system.                                     that offer performance discriminators
                                                                       including being able to perform at
        The FERSAH is a mid-frequency anti-submarine sonar with high  greater depth, at longer range, with
        source level and array directivity. The system has active and passive  more endurance, and at greater speed.”
        ASW modes, in addition to its Mine Like Object Avoidance (MAS)
        mode. The system has detection, tracking and analysis capabili-
        ties both in active and passive modes with state-of-the-art signal   The  Riptide  family  includes  a  25-pound,
        processing techniques.                                         4.875-inch-diameter Micro UUV; a 65 to 120-
                                                                       pound, 7.5-inch-diameter, one-man-portable
                                                                       (1MP) UUV; and a 120 to 240 pound, 9.375-inch-di-
        In addition to ASW, Aselsan’ s FERSAH also has an object avoidance  ameter two-man portable (2MP) UUV. The Micro
        sonar mode. The system consists of 5 units including the Sonar Wet-  UUV now features enhanced functionality. The
        End, Connection Box, Power Cabinet, Processor Cabinet and the  prototypes of the 1MP and 2MP have been com-
        Operator Console.                                              pleted.
                                                                       Analysts noted that with defence budgets flat-
        Recently, BAE Systems has expanded its capacity to manufacture   tening and likely to decrease in a post-COVID-19
        its Riptide family of autonomous UUVs after the company acquired   environment, the navies should instead increase
        Riptide Autonomous Systems. The company also has been integrat-  the use of unmanned systems in ASW across the
        ing its sensor packages on the UUVs.                           board, which cost a fraction to buy and operate
                                                                       compared to their manned counterparts.
        BAE has built a new manufacturing facility in Plymouth, Massachusetts,
        a “multimillion dollar state-of-the-art prototype and          Unmanned aircraft could deploy sonobuoys or
        production site that greatly increases capacity for both       stationary sonar arrays, and unmanned under-
                                                                       sea or surface vehicles could tow passive sonar
        vehicle development and personnel focused on the               arrays. Unmanned surface vehicles could also
        Riptide product line,” the company said in a release.          deploy low-frequency active sonars like those
                                                                       carried by U.S. undersea surveillance ships that
        The Riptide UUVs are used by the U.S. Navy and other government   can detect or drive off submarines from dozens
                                                                       of miles away, they said.
                                                                       “To  affordably  conduct  peacetime
                                                                       surveillance and effectively defeat sub-
                                                                       marines in wartime, the Navy should
                                                                       increase the role of unmanned systems.
                                                                       Using manned platforms to conduct
                                                                       command and control, and unmanned
                                                                       vehicles to track, deter and engage sub-
                                                                       marines, could significantly reduce the
                                                                       costs of ASW operations and enable the
                                                                       Navy to scale its ASW efforts to match
                                                                       the growing threat posed by submarine
                                                                       fleets,” said Bryan Clark is a senior fellow at the
                                                                       Hudson Institute.

                                                                       The Royal Navy is joining the U.S. Navy in the
                                                                       Extra  Large  Unmanned  Underwater  Vehicle
                                                                       (XLUUV) club, which is pursuing XLUUV designs
                                                                       from both Lockheed Martin and Boeing.

                                                                       Recently, First Sea Lord Admiral Tony Radakin

        ASIAN DEFENCE TECHNOLOGY                                                     NOVEMBER-DECEMBER 2023 | 19
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