[Roccus]

Trinity, Little Boy and Fat Man were not intended for Germany, but the R&D that went into their creation was....as well as for Japan. Had our progress in attaining a working weapon been quicker, Germany might even have been first to receive one.

[JCBreckenridge]

If it was intended for use on Germany, it would have been dismantled after Victory in Europe. It was not. By the time research had progressed to the point where it was a viable weapon - Germany had been defeated.