Focus on
Olga Gray and the Woolwich Arsenal Spy Ring
In 1938, thanks to years of work by a remarkable female agent, MI5 ensured a package of British defence plans stayed secret.
Piece
Exploitation of Russian Military communications
Catalogue reference: HW 40/27
What’s it about?
This record is about the Exploitation of Russian Military communications dating from 1946 Apr 01 - 1949 Jun 24 in the series Government Code and Cypher School: Security of Allied Cyphers Section: Security Files.... It is held at Creating government department or its successor.
Is it available online?
Maybe, but not on The National Archives website. This record is held at Creating government department or its successor.
Can I see it in person?
Not at The National Archives, but you may be able to view it in person at Creating government department or its successor.
Full description and record details
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Reference (The unique identifier to the record described, used to order and refer to it)
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HW 40/27
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Date (When the record was created)
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1946 Apr 01 - 1949 Jun 24
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Description (What the record is about)
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Exploitation of Russian Military communications
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Held by (Who holds the record)
- Creating government department or its successor
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Former department reference (Former identifier given by the originating creator)
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L12(A) PART II
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Legal status (A note as to whether the record being described is a Public Record or not)
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Public Record(s)
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
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Closed Or Retained Document, Open Description
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Subjects (Categories and themes found in our collection (our subject list is under development, and some records may have no subjects or fewer than expected))
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C11217889/
How to order it
- View this record page in our current catalogue
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Series information
HW 40
Government Code and Cypher School: Security of Allied Cyphers Section: Security Files...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at Creating government department or its successor
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
278 records
Within the series: HW 40
Government Code and Cypher School: Security of Allied Cyphers Section: Security Files...
You are currently looking at the piece: HW 40/27
Exploitation of Russian Military communications
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