41748999078819_page_150

41748999078819 | page 150 | https://thedailydialectics.com/pdfs/FIOA/41748999078819/41748999078819.pdf

REF ID:A56970 —RONFIBENTHAE— SECM Mnferrtta MS # P-038 -bl- in security became more pronounced after the German invasion of Russia, when the fluctuating situation at the front made it impossible to exer~ cise strict control over radio communication. These difficulties as- sumed even greater…