Tests of the German 37-mm anti-aircraft gun FlaK-18 in the tunnel

FlaK-18

Tests of the German 37-mm anti-aircraft gun FlaK-18 in a tunnel designed for this.

The tunnel was built to test anti-aircraft and aircraft weapons, it had 400 meters in length, the atmospheric pressure in the firing zone could be reduced to a level corresponding to the pressure at an altitude of 20 km.

 

Source of photo information:
1. www.dlr.de

 

 

Location: Braunschweig, Germany
Date: 1940

In : 1940

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