Tags: Weapon.
The ZSU-23-4 Shilka is a lightly armored self-propelled radar guided anti-aircraft weapon system (SPAAG). The acronym ZSU stands for Zenitnaya Samokhodnaya Ustanovka (Russian: Зенитная Самоходная Установка) meaning anti-aircraft self-propelled mount; the 23 signifies the bore diameter in millimeters; the 4 signifies the number of gun barrels. It is named after the Russian Shilka River.
