Czechoslovak anti-aircraft gunners with (VKPL) vz. 36 automatic anti-aircraft gun (20-mm automatic anti-aircraft gun model 1934 Oerlikon).
This weapon was imported to Czechoslovakia from Switzerland. By September 1938, their number in Czechoslovakia reached 229 units.
Source of Czechoslovak anti-aircraft gunners photo information:
- Mazač V. “Dvacet let československé armády v osvobozeném státě”, 1938.
Location: Czechoslovakia
Image Date: 1938
Photo by Jiří Jeníček