41748999078819_page_257

41748999078819 | page 257 | https://thedailydialectics.com/pdfs/FIOA/41748999078819/41748999078819.pdf

REF ID:A56970 ~CONFIBENTIRL- —secrity-iatermeti MS # P-038 ~231~ App. V during the war, and a body of experienced analysts was needed to solve it. Each radio net had ite own code, so that captured codes were never of any use. The time required to break a code varied between several hours and…