Attack. Scales of, Against a Certain Island. Note by Secy. Reference to J.I.C.(40) 414

A volume of reports commissioned for 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. A vast range of international and domestic issues are investigated and analysed in the JIC’s reports. Subjects covered in this file include commando raids and irregular warfare; domestic security; cover plans and arrangements to preserve the secrecy of operations; preparations to resist the expected German invasion of Britain; rumours designed to damage German morale; German infiltration of Bulgaria; predicted German plans for the invasion of Greece and Algeria; a proposed exchange of British and Italian prisoners of war; and speculation about Japanese intentions in South East Asia.