1. Proposal to Establish a Cypher Policy Board; 2. Issue of Warning Regarding Allied Prisoners of War Suspected of Collaboration; 3. Post-War Security; 4. Marking of Documents Containing Information from Most Secret Sources; 5. Priority in Construction of Models for Cossac and S.E.A.C.; 6. Collection of Topographical Intelligence in Occupied Areas

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 organisation of the British intelligence services; allied cooperation, including the sharing of intelligence; communications security, censorship, and the leakage of information; the escape and safety of allied prisoners in German captivity; arrangements for the occupation of Germany; German secret weapons; military situation reports; assessments of German military and economic strength, and Axis oil supplies; reconnaissance, aerial photography, and the collection of topographical intelligence; operational security for the invasion of Normandy; enemy morale; resistance movements; the effects of Allied bombing; and interpretation and interrogation.