Every single library I've ever seen has a copy of Jane's in it, normally several. Any amateur wargamer worth his salt has a few copies around. Toss in historians, schools and the like and the Germans have a dozen methods to find out the capabilities of American warfighting or at least the civilian released capabilities which is good enough for the German generals to plan around.Stas Bush wrote:Interpreting the events as very accurate artillery or missiles is the natural thing to do, especially once they discover missile fragments near to the destroyed machinery. Of course, the tech level gap is immense and will be shocking, but given the knowledge of the circumstances I think they can understand it, not just go 'it's magic!'. I mean, come on. The newspapers show the date and time, one can make the necessary connections.
And that's without any American collaborators showing them anything.