And what a nasty surprise this weapon was to the Germans and the rest of the world.

I believe that when the Germans first encountered this weapon, there was an immediate order given out by the German high command to capture one in tact.

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The war against Russia will be such that it cannot be conducted in a knightly fashion. This struggle is one of ideologies and racial differences and will have to be conducted with unprecedented, unmerciful and unrelenting harshness. -Adolf Hitler