3788

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3788
Date 1 August 1945 - 30 August 1945
Government Department Government Code and Cypher School
File Accession Date 1993

Description

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 reports: intelligence reports submitted by C (the head of MI6) to the Prime Minister; part of a daily supply of intelligence to the PM, mainly consisting of diplomatic decrypts (BJs, for the full series see HW 12) and Naval Headlines.

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