The Bluebottle is a long-range, extra-large unmanned surface vehicle being jointly developed by OCIUS Technology and the Australian Department of Defence (DoD) for the Royal Australian Navy (RAN). 15 have been developed and used by the Royal Australian Navy from 2022-2026 with an additional 40 ordered in March 2026.
In March 2026, a $176 million contract was signed for an additional 40 Bluebottles for the Royal Australian Navy, which would being the total amount in service to 55.