"Allies invited a lot of German rocket scientists to come and work with them"

39 German-born Scientists being sworn in as US Citizens
Public Domain39 German-born Scientists being sworn in as US Citizens - Credit: US Army
During and after World War 2, US military and intelligence services recruited a number of German scientists as part of Operation Paperclip.

One of the purposes of the project was to prevent Russian scientists benefiting from the Germans' knowledge in the coming Cold War.