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Catalogue description Government Code and Cypher School: Naval Section: Reports of Japanese Naval Decrypts
| Reference: | HW 23 |
|---|---|
| Title: | Government Code and Cypher School: Naval Section: Reports of Japanese Naval Decrypts |
| Description: |
This class contains decrypts of high medium and low grade Japanese naval cypher messages produced by the Naval Section of GC and CS Bletchley. These messages cover a wide range of subjects from supplies to engagements with allied ships and aircraft. Also included in this class are reports describing the organisation and procedures of Japanese naval communications during this period. |
| Date: | 1941-1945 |
| Arrangement: |
Chronological |
| Held by: | The National Archives, Kew |
| Legal status: | Public Record(s) |
| Language: | English |
| Creator: |
Government Code and Cypher School, Naval Section, 1924-1946 |
| Physical description: | 851 file(s) |
| Access conditions: | Open |
| Immediate source of acquisition: |
In 1999-2004 Government Communications Headquarters |
| Selection and destruction information: | The entire series has been selected for permanent preservation |
| Accruals: | Series is not accruing |
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