the heaviest MG 20mm wz.38.In 1939 the Poles had set some of these MGs in their tanks such us "TANKIETKA".It could destroy each German tank.A small tankette with this MG could be really turned  into a tank detroyer.
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from komandos10

the heaviest MG 20mm wz.38

Training of infantrymen.Taken before war at military school in Zegrze

Polish shooting during the training

Polish engineers during preparing the minefield.From war games in Rzeszów,Autumn 1938
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