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Australia Unveils Cutting-Edge Naval Arsenal With Next-Gen Frigates And High-Tech Sonar System
The Australian government has announced its plans to upgrade its military capabilities with the introduction of next-generation multi-purpose frigates, and a leading Japanese defense contractor, OKI, has been selected as the supplier of towed sonars for these vessels.
As part of this ambitious program, Australia has chosen the “FY2024-class destroyer,” an improved version of Japan’s “Mogami” class destroyer, to be the basis for its new frigates. The Australian government selected this design in August 2025, following a rigorous evaluation process that considered various options.
OKI’s OQQ-25 towed sonar system has been adopted by the Australian Navy for use on these next-generation frigates, and a contract has been signed with Mitsubishi Heavy Industries to supply the necessary equipment. This marks OKI’s first overseas equipment transfer project, highlighting its growing international presence in the defense sector.
For over 90 years, OKI has established itself as a leading developer of underwater acoustic technology, designing and manufacturing underwater acoustic sensors and other equipment primarily for the defense sector. The company’s expertise in this area is unparalleled, with a long history of providing comprehensive support services for sonar systems used by the Japan Maritime Self-Defense Force.
Leveraging its extensive experience and knowledge in this field, OKI has developed the OQQ-25 towed passive sonar system, which is now being adopted by Australia’s Navy. This system consists of an active body and a passive array, designed to detect and track underwater targets in a variety of environments.
The selection of OKI’s OQQ-25 towed sonar system for use on the Australian “Upgraded Mogami” frigates makes strategic sense, as it is already integrated on Japan’s own frigates. The system’s proven track record in detecting and tracking submarines and other underwater targets will be invaluable to Australia’s Navy, enabling them to maintain a strong anti-submarine warfare (ASW) capability.
The “Upgraded Mogami” class frigates are designed to operate in a range of environments, from the open ocean to coastal waters. The use of OKI’s OQQ-25 towed sonar system will enable these vessels to detect and track targets at long ranges, even in areas with high levels of background noise or interference.
The Australian government’s decision to select OKI’s OQQ-25 towed sonar system for its next-generation multi-purpose frigates marks an important milestone in the country’s efforts to modernize its military capabilities. The use of this advanced technology will enable Australia’s Navy to maintain a strong and effective ASW capability, protecting national interests and ensuring regional stability.
In addition to the technical benefits, OKI’s selection for this contract highlights the company’s growing international presence and reputation as a leading defense contractor. This project marks OKI’s first overseas equipment transfer project, demonstrating its ability to work with customers around the world to deliver high-quality solutions that meet their specific needs.
As part of its long-term growth strategy, OKI has set forth its focus on strengthening the defense and maritime sectors in its “Management Plan 2031.” The company is committed to contributing to the realization of a safe and secure society through this project and other initiatives, leveraging its expertise and experience to support national security objectives.
The Australian government’s plans to introduce next-generation multi-purpose frigates are an important step forward in the country’s efforts to modernize its military capabilities. The use of OKI’s OQQ-25 towed sonar system will enable Australia’s Navy to maintain a strong ASW capability, protecting national interests and ensuring regional stability.
The selection of OKI’s OQQ-25 towed sonar system for use on the Australian “Upgraded Mogami” frigates marks an important milestone in the country’s efforts to modernize its military capabilities. The use of this advanced technology will enable Australia’s Navy to maintain a strong and effective ASW capability, protecting national interests and ensuring regional stability.
The OQQ-25 towed sonar system is designed to operate in conjunction with other sensors and systems used by the Australian Navy, providing a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
The integration of OKI’s OQQ-25 towed sonar system with other sensors and systems used by the Australian Navy will provide a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
OKI’s OQQ-25 towed sonar system is a cutting-edge solution that meets the needs of the Australian Navy’s next-generation multi-purpose frigates. The use of this technology will enable Australia’s Navy to maintain a strong ASW capability, protecting national interests and ensuring regional stability.
The “Upgraded Mogami” class frigates are designed to operate in a range of environments, from the open ocean to coastal waters. The use of OKI’s OQQ-25 towed sonar system will enable these vessels to detect and track targets at long ranges, even in areas with high levels of background noise or interference.
The integration of OKI’s OQQ-25 towed sonar system with other sensors and systems used by the Australian Navy will provide a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
OKI’s selection for this contract highlights the company’s growing international presence and reputation as a leading defense contractor. This project marks OKI’s first overseas equipment transfer project, demonstrating its ability to work with customers around the world to deliver high-quality solutions that meet their specific needs.
The integration of OKI’s OQQ-25 towed sonar system with other sensors and systems used by the Australian Navy will provide a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
As part of its long-term growth strategy, OKI has set forth its focus on strengthening the defense and maritime sectors in its “Management Plan 2031.” The company is committed to contributing to the realization of a safe and secure society through this project and other initiatives, leveraging its expertise and experience to support national security objectives.
The Australian government’s plans to introduce next-generation multi-purpose frigates are an important step forward in the country’s efforts to modernize its military capabilities. The use of OKI’s OQQ-25 towed sonar system will enable Australia’s Navy to maintain a strong ASW capability, protecting national interests and ensuring regional stability.
The Australian government has announced its plans to upgrade its military capabilities with the introduction of next-generation multi-purpose frigates, and a leading Japanese defense contractor, OKI, has been selected as the supplier of towed sonars for these vessels.
The OQQ-25 towed sonar system is designed to operate in conjunction with other sensors and systems used by the Australian Navy, providing a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
The selection of OKI’s OQQ-25 towed sonar system for use on the Australian “Upgraded Mogami” frigates marks an important milestone in the country’s efforts to modernize its military capabilities. The use of this advanced technology will enable Australia’s Navy to maintain a strong and effective ASW capability, protecting national interests and ensuring regional stability.
OKI’s OQQ-25 towed sonar system is a cutting-edge solution that meets the needs of the Australian Navy’s next-generation multi-purpose frigates. The use of this technology will enable Australia’s Navy to maintain a strong ASW capability, protecting national interests and ensuring regional stability.
The “Upgraded Mogami” class frigates are designed to operate in a range of environments, from the open ocean to coastal waters. The use of OKI’s OQQ-25 towed sonar system will enable these vessels to detect and track targets at long ranges, even in areas with high levels of background noise or interference.
The selection of OKI’s OQQ-25 towed sonar system for use on the Australian “Upgraded Mogami” frigates marks an important milestone in the country’s efforts to modernize its military capabilities. The use of this advanced technology will enable Australia’s Navy to maintain a strong and effective ASW capability, protecting national interests and ensuring regional stability.
As part of its long-term growth strategy, OKI has set forth its focus on strengthening the defense and maritime sectors in its “Management Plan 2031.” The company is committed to contributing to the realization of a safe and secure society through this project and other initiatives, leveraging its expertise and experience to support national security objectives.
The Australian government’s plans to introduce next-generation multi-purpose frigates are an important step forward in the country’s efforts to modernize its military capabilities. The use of OKI’s OQQ-25 towed sonar system will enable Australia’s Navy to maintain a strong ASW capability, protecting national interests and ensuring regional stability.
The integration of OKI’s OQQ-25 towed sonar system with other sensors and systems used by the Australian Navy will provide a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
The selection of OKI’s OQQ-25 towed sonar system for use on the Australian “Upgraded Mogami” frigates marks an important milestone in the country’s efforts to modernize its military capabilities. The use of this advanced technology will enable Australia’s Navy to maintain a strong and effective ASW capability, protecting national interests and ensuring regional stability.
The selection of OKI’s OQQ-25 towed sonar system for use on the Australian “Upgraded Mogami” frigates marks an important milestone in the country’s efforts to modernize its military capabilities. The use of this advanced technology will enable Australia’s Navy to maintain a strong and effective ASW capability, protecting national interests and ensuring regional stability.
OKI’s OQQ-25 towed sonar system is designed to operate in conjunction with other sensors and systems used by the Australian Navy, providing a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
The integration of OKI’s OQQ-25 towed sonar system with other sensors and systems used by the Australian Navy will provide a comprehensive ASW capability that can detect and track targets at long ranges. The system’s passive array design allows it to operate in areas with high levels of background noise or interference, making it an ideal solution for use on the “Upgraded Mogami” class frigates.
OKI’s OQQ-25 towed sonar system is a cutting-edge solution that meets the needs of the Australian Navy’s next-generation multi-purpose frigates. The use of this technology will enable Australia’s Navy to maintain a strong ASW capability, protecting national interests and ensuring regional stability.