During the International Defence Equipment and Services Exhibition HEMUS 2026, held in Plovdiv, Bulgaria, from 3–6 June 2026, Bulgarian shipbuilder MTG-Dolphin unveiled its Proteus 36 MLC concept, a 37-metre Medium Unmanned Surface Vessel (MUSV). MTG-Dolphin press release PLOVDIV, BULGARIA – 3 June 2026 – The european shipbuilder MTG-Dolphin today officially presented its Proteus 36 MLC ... The post Bulgarian shipbuilder reveals new Medium USV concept appeared first on Naval News .