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This is merely a phase of modern warfare, and accounts 
for the fact that there have been no mass surrenders of 
troops on either side. The Russians therefore have many 
"insurgent" troops which operate behind Germany's so-
called front line. They constantly attack German aero-
dromes and lines of communications. The Russians are 
more familiar with the terrain and know how to use the 
natural cover which nature has provided better than the 
Germans. These "insurgent" troops are proving a great 
menace to the German offensive.
          He believes that Germany underestimated the strength 
of the Russian Army, and have not now enough troops on 
the whole front to carry on a successful offensive war 
and at the same time guard their extended lines of com-
munications. He repeatedly emphasized the large number 
of men Germany was forced to use for this purpose, and 
believes that the Germans will have to go on the defensive 
themselves. There is considerable evidence that they are 
already doing this. They are burying many of their large 
tanks in the ground for defensive purposes. The Russians 
have already found 50 such defensive positions. Mr. 
Stalin stated that in his opinion Hitler fears that he 
has too many men on the Russian front, which may account
for their preparing some defensive positions so that some 
of their divisions might be returned to the German western
areas of actual or potential operation.
     He thinks the Germans have now on his front about
70 tank and motorized divisions. He also states that the 
Russo-German war has already changed the character of