Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/71
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, East Asia, Europe, Mediterranean, Middle East, North America, South Asia
Countries France, Germany, India, Iran, Italy, Japan, Russia, Ukraine, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Edward Bridges, Franklin Delano Roosevelt


A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file includes the following reports: an Eastern Front situation report for September 16, covering the 24th Panzer Corps, 46th Panzer Corps and 47th Panzer Corps; a report from the 2nd Air Corps reporting an increase in partisan and guerrilla operations behind the front lines and in rear army areas; a report from the 43rd Army Corps to move from the Chernigov area to the Roslavl area on September 17; a report of the German positions on the Ukrainian Front on September 16, and continued advances supported by the 4th and 5th Air Corps; a report that the operational readiness of a fighter unit in Derna was endangered by a lack of spare engines; a situation report for North Africa for September 16; a report that ten Italian JU87 aircraft were missing following a joint raid on Habata; a report that the tanker San Giorgio was ablaze in Benghazi harbour following a bombing raid; a report on 10th Air Corps plans to disrupt the railway line between Alexandria and Mersa Matruh for about a month from September 23; a debate on the responsibility for control of oil supplies for France and Italy; instructions to the Iranian Embassy in Moscow to convey a protest at Soviet activities on the borders of, and within, Iran; and Italian diplomatic telegrams on Japanese-American relations.


military situation reports, Operation Barbarossa, German army, Red Army, partisans, troop movements, military supplies, Desert War, Italian air force, casualties, shipping losses, aerial attacks on ships, aerial attacks, railways, oil, diplomatic intelligence, Japanese foreign policy, invasion of the Soviet Union

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