0001

File Title Committee of Imperial Defence, Joint Intelligence Sub-Committee Meetings, July 1936 - August 1939
Reference CAB 56/1
Date July 1936 - August 1939
Government Department Cabinet Office
File Accession Date 1 January 1992

Description

A volume of meeting minutes of the Joint Intelligence Sub-Committee (JIC). The JIC was formed of representatives from the intelligence services, the armed services, and the Foreign Office. Its purpose was to assess military, security, and foreign policy requirements and coordinate Britain’s intelligence organisations accordingly. The JIC members discussed a vast range of international and domestic issues in their meetings. In this file, subjects documented include the collection of intelligence, including information about the military strength and preparedness of foreign powers for war; the lessons of the Spanish Civil War (including the potential of air power); organisation of the intelligence services; planned cooperations with the French intelligence services; domestic censorship and propaganda; and the security of Britain and the Empire.

Document Title Date
i Committee of Imperial Defence, Joint Intelligence Sub-Committee Meetings, July 1936 - August 1939 Download PDF (1.11 MB)
ii Table of Contents Download PDF (1.70 MB)
1st (1) Functions of the Joint Intelligence Sub-Committee; (2) Notes on the Armament Supply to Certain Countries in the Event of War 1936/37; (3) Visits and/or Attachments of Japanese Officers to Units of the Three Services 7 July 1936 Download PDF (1.05 MB)
2nd (1) Far East Appreciation; (2) The Principles Governing and Factors Affecting the Size and Composition of the Maximum Force Which might be Put in the Field by Certain Foreign Countries in the First Month of War; (3) German and Italian Organisations in This Country; (4) Revised Functions and Working Arrangements of the Joint Intelligence Sub-Committee- Appointment of a Secretary 29 September 1936 Download PDF (1.62 MB)
3rd (1) The Principles Governing and Factors Affecting the Size and Composition of Forces Which can be Mobilised and Maintained in the Field by Certain Foreign Countries in Time of War; (2) Man Power in Certain Foreign Countries; (3) Imperial Conference 1937. Chiefs of Staff Review of Imperial Defence 3 November 1936 Download PDF (1.72 MB)
4th (1) Imperial Conference, 1937-Chiefs of Staff Review of Imperial Defence 16 November 1936 Download PDF (595 KB)
5th (1) Comparison of the Strength of Great Britain with That of Certain Other Nations as at May, 1937; (2) Details of Numbers and Policy of Employment of Anti-Aircraft Guns and Searchlights in Germany 14 December 1936 Download PDF (5.34 MB)
6th (1) Foreign Armaments; (2) Man Power in Certain Foreign Countries; (3) Demarkation of Responsibility as Regards the Collection and Collation of Intelligence; (4) Mapping - Co-Ordination of Arrangements; (5) The Situation Regarding French Armament Factories and Reserves of Personnel and Materiel 9 February 1937 Download PDF (1.97 MB)
7th (1) Nazi and Fascist Party Organisations and Activities in British Territory; (2) Review of the Military Situation in the Mediterranean, Middle East and North- East Africa 22 February 1937 Download PDF (965 KB)
8th (1) Nazi and Fascist Party Organisations and Activities in British Territory; (2) Strategic Importance of the Pacific Islands; (3) Spain: Intelligence Regarding Air Warfare; (4) Separation of Burma from India 26 April 1937 Download PDF (5.33 MB)
9th (1) Spain: Intelligence Regarding Air Warfare; (2) Planning for War with Germany 26 May 1937 Download PDF (2.97 MB)
10th (1) Spain: Intelligence Regarding Air Warfare; (2) Estimate of the Maximum Land and Air Forces Which might be Made Available for Active Operations Within One Month of Mobilisation as at 1st. October. 1937; (3) Comparison of the Strength of Great Britain with that of Certain Other Nations as at 1st. January, 1938; (4) Inter-Services Intelligence Bureau, Malta; (5) German Activities in the Irish Free State 28 September 1937 Download PDF (4.10 MB)
11th (1) Spain: Intelligence Regarding Air Warfare (Report No. 1. Anti-Aircraft (Artillery) Defence.) 6 October 1937 Download PDF (887 KB)
12th (1) Italian Concessions in Spain; (2) Estimated Scale of Air Attack on England in the Event of War with Germany 15 December 1937 Download PDF (610 KB)
13th (1) Spain : Intelligence Regarding Air Warfare.; (a) Report No.3 : Air Attack on Ships; (b) Report No.5 : Effects of Air Attack on Oil Fuel Storage 9 February 1938 Download PDF (1.21 MB)
14th Military Implications of German Aggression Against Czechoslovakia 16 March 1938 Download PDF (1.31 MB)
15th 1. Spain : Intelligence Regarding Air Warfare. Report No.5. Effects of Air Attack on Oil Fuel Storage; 2. Press Supplements : Information of Value to an Enemy; 3. Future Work of the Sub-Committee on Air Warfare in Spain 25 April 1938 Download PDF (2.77 MB)
16th 1. Spanish Civil War: Position in the Straits of Gibraltar; 2. Spain: Intelligence Regarding Air Warfare. The Control of the Straits of Gibraltar, July to October, 1936; 3. Proposal to Set Up a Sub-Committee on Air Warfare; 4. Press Supplements: Information of Value to an Enemy 3 June 1938 Download PDF (1.53 MB)
17th 1. Press Supplements. Consideration of Report; 2. Spanish Civil War. Intelligence Regarding Air Warfare; 3. Spanish Civil War. Posiation in the Straits of Gibraltar 15 June 1938 Download PDF (1.96 MB)
18th 1. Intelligence Regarding Air Warfare 8 July 1938 Download PDF (3.73 MB)
19th 1.1 Anti-Aircraft Gunfire: Methods Employed in Foreign Countries; 2. The Number of Divisions Italian Industry might Maintain in the Field; 3. Air Warfare Sub-Committee; 4. Questionnaire Prepared by the Chairman of the Sub-Committee an Bombing and Anti-Aircraft Gunfire Experiments 21 July 1938 Download PDF (2.98 MB)
20th 1. Appreciation for a European War. Political Setting; 2. A Combined Intelligence Bureau for the Middle East 16 November 1938 Download PDF (1.73 MB)
21st 1. Attitude of the 'Arab World' to Great Britain with Particular Reference to the Palestine Conference; 2. A Combined Intelligence Bureauf for the Middle East; 3. Responsibility for Collecting and Collating Foreign Air Defence Intelligence 11 January 1939 Download PDF (2.02 MB)
22nd 1. Exercise to Test War Rooms 23 January 1939 Download PDF (619 KB)
23rd 1. Combined Intelligence Centre in the Middle East; 2. The Attitude of the 'Arab World' to Great Britain with Particular Reference to the Palestine Conference; 3. Scientific Research 3 February 1939 Download PDF (963 KB)
24th 1. Strategic Aspects of a Consultative Pact; 2. Spain and China: Intelligence Regarding Air Warfare; 3. Dissolution of the Sub-Committee on Air Warfare; 4. Far Eastern Bureau; 5. Security of the Embassy Offices, Paris 22 March 1939 Download PDF (2.04 MB)
25th 1. Anglo-French Staff Conversations, 1939 20 April 1939 Download PDF (567 KB)
26th 1. Supply Position in Poland 18 May 1939 Download PDF (3.33 MB)
27th 1. A Highly Secret Matter Was Discussed 5 June 1939 Download PDF (557 KB)
28th 1. The Establishment of a Joint Intelligence Centre in the Middle East; 2. Supply of Maps of France to the Field Force and Royal Air Force; 3. Report No.5. - Active Air Defence and Passive Air Defence in the Field 13 June 1939 Download PDF (3.82 MB)
29th 1. Rec-Constitution of the Joint Intelligence Sub-Committee 29 June 1939 Download PDF (1,003 KB)
30th 1. Co-Ordination of Intelligence at Malta and Gibralta; 2. Franco-British Conference at Rabat; 3. Franco-British Conference at Jerusalem; 4. Franco-British Conference at Aden; 5. Exchange of Information with Allied Countries; 6. Overseas Intelligence Organisation of the Ministry of Economic Warfare 7 July 1939 Download PDF (3.68 MB)
31st 1. Military Publicity and Propaganda in Foreign Countries; 2. Security of Communications with Berlin; 3. Franco-British Action in North Africa and Libya; 4. War Trade Reporting Organisation; 5. Anglo-Turkish Staff Conversations; 6. Franco-British Staff Meetings at Rabat 27 July 1939 Download PDF (2.57 MB)
32nd 1. Co-Ordination of Liaison with the French in the Middle East; 2. Responsibility for Coast Defence Intelligence; 3. Inter Allied Code; 4. Security of Communications between British Firms and Their Agents Abroad; 5. Re-Constitution of the Joint Intelligence Sub-Committee 3 August 1939 Download PDF (3.72 MB)
33rd 1. Arrangements for Periodical Meetings in the Event of War 24 August 1939 Download PDF (1.05 MB)
34th 1. Co-Ordination of Arrangements for Anglo-French Missions to Other Countries 26 August 1939 Download PDF (1.28 MB)
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