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
Japanese naval decrypts
Catalogue reference: HW 23/50
What’s it about?
This record is about the Japanese naval decrypts dating from 1943 Nov 23-1943 Nov 25 in the series Government Code and Cypher School: Naval Section: Reports of Japanese Naval Decrypts. It is held at The National Archives, Kew.
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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)
- HW 23/50
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Date (When the record was created)
- 1943 Nov 23-1943 Nov 25
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Description (What the record is about)
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Japanese naval decrypts
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Note (Additional information about the record)
- -
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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)
- Public Record(s)
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Access conditions (Information on conditions that restrict or affect access to the record)
- Open Immediately
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Closure status (Whether the record is ‘open’ (available to the public) or ‘closed’ (not available due to a legal exemption))
- 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/C6019135/
Series information
HW 23
Government Code and Cypher School: Naval Section: Reports of Japanese Naval Decrypts
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)
874 records
Within the series: HW 23
Government Code and Cypher School: Naval Section: Reports of Japanese Naval Decrypts
You are currently looking at the piece: HW 23/50
Japanese naval decrypts
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