Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3789
Conflicts Second World War
Themes Intelligence Funding and Finances, Intelligence Organisation and Administration, Intelligence Operations
Regions Africa, Europe, Mediterranean, Middle East, North America
Countries Bulgaria, Germany, Gibraltar, Hungary, Morocco, Palestine, Romania, Spain, United States of America
Document Type Correspondence, Memoranda
Organisations Foreign Office, Government Code and Cypher School
People Alexander Cadogan, Francisco Franco, Samuel Hoare


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 correspondence: correspondence concerning the secret funding of the Government Code and Cypher School (GCCS), from 5 May 1941 - 14 March 1943; on administrative matters concerning Bletchley Park, from 14 October - 2 November 1943; a demarche to Franco about scientific spotting stations on both sides of the Straits of Gibraltar, from May-June 1942; a report by the Chief of the Imperial General Staff (CIGS) on the Jewish situation in Palestine, as of April 1944; and a draft memorandum on ULTRA security, from 23 June 1944.


British intelligence organisation, intelligence funding, finances, codebreaking, cyphers, Anglo-Spanish relations, diplomatic signals, radar, counter-intelligence, German intelligence services, German-Spanish relations, security, leakage of information, Jews, Zionism

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