I think if you check carefully, you’ll discover they were promoted to “honorary americans” for the duration of their glorious accomplishments, thus preserving our unimpeachable record for “being the best at war stuff”.

Well if you’re dead set on nitpicking the historical accuracy, I suppose we can be persuaded to concede that the Soviets helped, too. But only a little bit! And they nicked most of the good bits off us!