Zu 23-2 loading and firing.
Hellenic Army National Guard ZU 23-2 auto-cannons during military live fire exercise loading and shooting AA targets in short bursts.
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.