Not one, many. https://en.wikipedia.org/wiki/Operation_Paperclip https://en.wikipedia.org/wiki/Operation_Paperclip, https://en.wikipedia.org/wiki/Unit_731#:~:t

Not one, many. https://en.wikipedia.org/wiki/Operation_Paperclip https://en.wikipedia.org/wiki/Operation_Paperclip, https://en.wikipedia.org/wiki/Unit_731#:~:text=those%20captured%20by%20the%20United%20States%20were%20secretly%20given%20immunity https://en.wikipedia.org/wiki/Unit_731#:~:text=those%20captu...