Hellenic Army ZU 23-2 on BMP 1 live fire exercise.

Hellenic Army National Guard shooting with ZU 23-2 on BMP1 in a live fire exercise. The ZU 23-2, also known as ZU-23, is a Soviet towed 23x152 mm anti-aircraft twin-barreled autocannon. ZU stands for Zenitnaya Ustanovka (Russian: Зенитная Установка) - anti-aircraft mount.