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
Research reports derived principally from Japanese naval air decrypts
Catalogue reference: HW 27/52
What’s it about?
This record is about the Research reports derived principally from Japanese naval air decrypts dating from 1944 Nov 01-1945 Jul 31 in the series Government Code and Cypher School: Naval Section and Air Section: Reports based on.... It is held at The National Archives, Kew.
Is it available online?
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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 27/52
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Date (When the record was created)
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1944 Nov 01-1945 Jul 31
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Description (What the record is about)
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Research reports derived principally from Japanese naval air decrypts
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Held by (Who holds the record)
- The National Archives, Kew
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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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Open 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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- Topics
- Intelligence
- Navy
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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C10820143/
How to order it
- View this record page in our current catalogue
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Series information
HW 27
Government Code and Cypher School: Naval Section and Air Section: Reports based on...
See the series level description for more information about this record.
Catalogue hierarchy
Over 27 million records
This record is held at The National Archives, Kew
17,110 records
Within the department: HW
Records created or inherited by Government Communications Headquarters (GCHQ)
73 records
Within the series: HW 27
Government Code and Cypher School: Naval Section and Air Section: Reports based on...
You are currently looking at the piece: HW 27/52
Research reports derived principally from Japanese naval air decrypts
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