I don't know the difference, but I'm not sure why it's surreal. I mean, the whole point of what they did in the wake of World War 2 was to try to prevent World War 3 (since Hitler's rise was largely dependent on the punishment inflicted on Germans for WWI). And they did that by building up the Japanese and German economies. And during the cold war, the former Nazi scientists were crucial for helping to build up the U.S. space program. Operation Paperclip was an initiative that recruited 1,600+ former Nazi scientists and engineers for that effort: https://en.wikipedia.org/wiki/Operation_Paperclip