"servizio" - 1 õppematerjal

TheCodeBreakers

communications between the New World and the Old as in the first twenty days of March, 1943," the naval staff later recorded. It marked the darkest hour of the longest, most crucial battle of the war. And in large measure German cryptanalysts had cast this pall upon Britain by— paradoxically—throwing light upon British communications. 13 Duel in the Ether: II ITALY RELIED for her communication intelligence upon her Army and her Navy. The Navy's cryptanalysts formed the B section of the Servizio Informazione Segreto, or naval intelligence. Early in 1942, they had penetrated the British naval ciphers in the Mediterranean—these were so poor that Admiral Sir Andrew Cunningham reportedly threatened after the invasion of Crete to transmit entirely in clear if he were not given better ciphers. The Italian solution of a British scout plane report enabled the Italian high command to warn one of its task-force commanders at 6 p.m. March 27, just before the Battle of Cape Matapan,