I was under the impression that they were first used in Spain. And the way i see it, if you have a weapon that can perform more than one role, all the better. Of course the FLAK versions were not ideal in the ground role because of their size, but did any nation consider the need for an AT gun of that callibre at that stage of the war. As for the pics, i do have a couple of photos in books of US troops using 8.8cm PAK43.

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