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Piece
Naval Miscellaneous Papers September-December 1943 These papers collected by Frank...
Catalogue reference: HW 8/29
What’s it about?
This record is about the Naval Miscellaneous Papers September-December 1943 These papers collected by Frank... dating from 1943 Sep 01-1943 Dec 31 in the series Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence. 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 8/29
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Date (When the record was created)
- 1943 Sep 01-1943 Dec 31
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Description (What the record is about)
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Naval Miscellaneous Papers September-December 1943
These papers collected by Frank Birch, Head of Naval Section, reflect daily operations, the changing organisation of Naval Section and the development of interception and cryptographic policy against the Japanese naval target by the UK and the US.
- 7/9/1943 GC&CS's position following Italian armistice.
- 23/10/1943 Bombe policy.
- 25/10/1943 Joint Anglo-US interception plan (Japanese Navy).
- 9/11/1943 Delays in breaking during October [use of Bombes] by C.H.O'D Alexander.
- 11/11/1943 Naval Section/Op-20-G cooperation.
- 14/11/1943 Report to OP-20-G on visit to Bletchley Park by Cmdr J.S. Holtwick Junior U.S.N.
- 17/11/1943 'Y' Organisation in Australia and New Zealand.
- 19/11/1943 Interchange of Japanese intelligence.
- 24/11/1943 OVERLORD.
- 13/11/1943 C. in C. Eastern Fleet, C. in C. India & SACSEA dissatisfaction with Signal Intelligence Board and GC&CS policy.
- 14/11/1943 HNS thoughts on above.
- 18/11/1943 Draft reply on above [Nigel de Grey]
- 24/11/1943 More thoughts [by Birch?] on above.
- 25/12/1943 JN.25 Development of work by GC&CS on this system.
- 28/12/1943 Build-up of Signals Intelligence Unit, Colombo from C. in C., Eastern Fleet.
- 29/12/1943 Chiefs of Staff Committee consider special intelligence in India and the Far East.
- 31/12/1943 Reply by Chiefs of Staff to SACSEA on criticisms.
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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)
- Retained Until 2002
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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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Record URL
- https://beta.nationalarchives.gov.uk/catalogue/id/C11079074/
Series information
HW 8
Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence
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)
181 records
Within the series: HW 8
Government Code and Cypher School: Naval Section: Reports, Working Aids and Correspondence
You are currently looking at the piece: HW 8/29
Naval Miscellaneous Papers September-December 1943 These papers collected by Frank...
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