The Soviet Air Arm played a significant role in hampering the German preparations.
German preparations would require at least a few weeks, but all defensive precautions were made with an extreme sense of urgency.
This report indicated that German preparations for invasion were so advanced that it could be attempted at any time.
First Army air units retaliated with bombing raids which broke up German preparations for counterattacks.
They really don't give much detail about German preparations.
In the build-up to the offensive, the Allies had received a stream of tantalising hints about the German preparations.
Since these messages were being read by the Allies, this provided valuable intelligence about German military preparations against the forthcoming invasion of Western Europe.
Lacroix's belief that the German preparations for the next stage of their offensive had been completed on the Tuesday night had proved correct.
The German defensive preparations and the lack of any defense in depth indicated that their plan was to stop the invasion at the beaches.
German preparations to counter the effects of the military and economic war were much more severe than in Britain.