Well to be fair, the only source of Uranium at the time was in the Belgian Congo... So yeah it would have been tough, but still, the Nazis did http://gizmodo.com/#!5524604/real-%5Bcensored%5D-flying-nazi-soldiers-with-jet-packs
They also had flying saucers :shifty:
Spoiler
I think its a bunch of crap, but people believe it