0425

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/425
Date 19 March 1942
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 North Africa: that German Air Force (GAF) sigint report the first appearance of Spitfire aircraft in the Western Desert, on March 17; on the GAF's anti-aircraft reinforcement of Martuba on March 19; and a GAF report on fuel and lubricant deliveries from Tunis, on March 18.

Document Title Date
i Front Cover 19 March 1942 Download PDF (240 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 19 March 1942 Download PDF (1.14 MB)
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