"Perhaps there is a universal, absolute truth. Perhaps it justifies every question. But that's beyond the reach of these small hands." - Yang Wen-li
The 3rd Reich is probably in Antarctica along with an old, cloned, or given a pill that makes him live forever Hitler, right now.
It's like that UFO easter egg in CoD 2.
In fact there was UFO's projects in the Reich i have watched an documentary of WW2 secrets. And somewhere nearby russia was an science facility with hovering vehicles projects.