The ZPU (Russian: ЗПУ; зенитная пулемётная установка, romanized: zenitnaya pulemotnaya ustanovka, meaning "anti-aircraft machine gun mount") is a family...
000 m (6,600 ft) vertically against low flying planes. The ZPU (Russian: ЗПУ, an initialism for Зенитная пулемётная установка, 'Anti-Aircraft Machine...