At IDEF 2023, Turkish defence company Havelsan Unveils Çaka Unmanned System. According to Havelsan the Çaka submersible kamikaze unmanned surface vessel (s-kusv) is a game changer. This trimaran design has an 8.5m hull with 3.3m beam and 3.2 tonne displacement. On the surface, the Çaka reaches over 60 knots powered by a 550 hp diesel […]