Operation X-ray, establishment of secret transatlantic radio telephone service

Date: 1943 Reference: FO 954/18B-452 (456) Creator: Foreign Office Catalogue context: Operations; Operation X-Ray: War Cabinet Office. to Private Secretary Foreign Office Chiefs of Staff Committee paper on establishment of a secret transalantic radio telephone service Categories: Second World War Subjects: Agents, extremists, traitors; Armed Forces (General Administration); Communications; International; Operations, battles and campaigns; Personal and family papers Topics: Arts and culture; Family and identity; International trade and affairs; Military and war Period: Second World War Copyright information: Copyright clearance for publication is not required, except in the case of documents in third-party copyright. Usage terms: https://www.nationalarchives.gov.uk/documents/information-management/use-of-tna-materials.pdf