0127

File Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/127
Date 9 October 1941
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 correspondence: a reply of the First Sea Lord (ISL) to a query on a report of October 5, on German plans to use neutral merchant ships acquired in Spain to run a Gibraltar blockade and supply forces in North Africa (and possibly Crete); information to Flag Officer Commanding North Atlantic (FOCNA) 429; information to FOCNA 775; information to SO(I)Gibraltar; information to SO Force H764; that the ship is to be intercepted when she leaves Spanish waters, interception there being politically undesirable.

Document Title Date
i Front Cover 9 October 1941 Download PDF (308 KB)
1st Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence 9 October 1941 Download PDF (2.52 MB)
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