Polish Navy showcases mine countermeasure capabilities at REPMUS-25
Portugal once again became the hub of allied innovation this September, hosting the 15th edition of REPMUS (Robotic Experimentation and Prototyping with Maritime Unmanned Systems) – one of the world’s largest exercises dedicated to the testing and integration of unmanned systems across multiple domains. This year’s event gathered more than 250 military personnel and experts from 14 nations.
In brief
The Polish Navy took part in the 15th edition of the REPMUS exercise in September 2025 in the area of Sesimbra and the Tróia Peninsula, fielding soldiers of the 8th Coastal Defence Flotilla and sailors of the 13th Minesweeper Squadron from Gdynia. The Polish team used the GAVIA autonomous underwater vehicle to search for, detect and classify mines and mine-like objects. The Naval Mine Warfare group numbered 38 teams, and participants had more than 100 autonomous systems at their disposal, including 71 underwater vehicles and 35 unmanned aerial vehicles.
The Polish Navy was represented by specialists from the 8th Coastal Defence Flotilla and the 13th Minesweeper Division from Gdynia. The Polish team deployed the GAVIA autonomous underwater vehicle (AUV), designed for mine countermeasure (MCM) operations. Their mission focused on detecting, classifying, and identifying mine-like objects in the challenging Atlantic environment – a significantly different operational setting compared to the Baltic Sea.
Poland’s contingent operated within the Naval Mine Warfare (NMW) group, which comprised 38 teams and over 100 unmanned platforms – including 71 AUVs and 35 UAVs. REPMUS-25 scenarios explored interoperability between underwater, surface, and aerial systems, emphasizing their integration into a unified, multi-domain operational picture.
Participation in REPMUS allows the Polish Navy to validate its autonomous capabilities under demanding conditions, enhance operational procedures, and strengthen interoperability with NATO partners. The exercise also provides a platform for showcasing national expertise in unmanned mine countermeasure systems, an area in which Poland has developed a strong regional reputation.
As navies worldwide continue to embrace unmanned solutions, REPMUS remains a key proving ground for technologies that will shape future maritime security, increasing operational tempo, reducing risk to crews, and enabling complex coalition operations at sea.
Source: Gazeta Morska · Compiled by: Kamil Kusier
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