Flak 38 Flakvierling / Flakturn IV 20mm Quad gun (multiple)

I photographed these Flak 38 Flakvierling / Flakturn IV 20mm Quad gun examples in Brussels and the NMoUSAF

The quad mounted version of the Flak 38 20 mm anti-aircraft gun

Flak 38 20mm Quad gun

NMoUSAF 2018

Flakturn IV 20mm Quad gun

Brussels Military Museum 2026