I agree that the war would have lasted longer but the outcome would have been the same. I dont think the me262 would have been produced inlarge enough numbers to make a great difference. If my memory is correct, Hitler wanted to build them as bombers not fighters. The Eastern Front would have been drawn out longer but Russian manpower numbers would have overwhelmed the Germans in the end. I think without bombing Germanys greatest problem would have been Hitlers irrationality.

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The soldier above all others prays for peace, for he must suffer and bear the deepest wounds and scars of war. General Douglas Macarthur