Japan is reportedly exploring the potential acquisition of the Ocius Bluebottle, an Australian-developed uncrewed surface vessel (USV), as part of its efforts to enhance maritime surveillance and security, according to Australian Defence Magazine.

The interest from Japan emerged following demonstrations of the Bluebottle’s capabilities, which include persistent, long-endurance maritime monitoring using a combination of solar, wind, and wave energy for propulsion and power. The platform is designed for operations such as surveillance, anti-submarine warfare support, and maritime domain awareness, making it particularly attractive for countries with vast ocean territories.

Ocius, the company behind the Bluebottle, has already collaborated with the Royal Australian Navy to deploy these vessels for autonomous operations in Australia’s maritime regions. According to the report, the Japanese Ministry of Defense has initiated discussions and observations to evaluate how the USVs might be integrated into their existing maritime frameworks.

The article also notes that the growing interest aligns with Japan’s broader strategic focus on expanding autonomous capabilities to monitor key areas in the Indo-Pacific region, amid rising regional security concerns.

If formalized, the potential cooperation could mark a significant milestone for Australian defense exports and contribute to deeper defense ties between Australia and Japan.