1763

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1763
Date 23 June 1943
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 on the Mediterranean/Southern Europe: a German Air Force (GAF) report for June 22, giving details of Romanian oilfields being on fire, of Allied air supplies to partisans in Greece and of GAF reconnaissance missions in the Mediterranean area and Yugoslavia; a further GAF summary for June 22, stating reconnaissance results and guerrilla successes in Greece; and Naval Headlines, including 6 items from U-boat communications (SHARK) which C informs the Prime Minister (PM) were exploitable on May 30-31 and June 15-18 inclusive.

Document Title Date
i Front Cover 23 June 1943 Download PDF (265 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 23 June 1943 Download PDF (2.93 MB)
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