OSU-35K
The OSU-35K (Polish: Okrętowy System Uzbrojenia 35 mm - 35 mm Naval Weapon System) is a Polish naval remote weapon station and a close-in weapon system manufactured by PIT-Radwar. Armed with a 35 mm Oerlikon KDA autocannon, it is meant to defend surface combatants against various types of maneuvering aerial targets such as anti-ship missiles, unmanned aerial vehicles, conventional and rotary-wing aircraft, It can also engage surface and coastal targets.