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Activities of the Japanese Military Y Service

Catalogue reference: HW 40/201

What’s it about?

This record is about the Activities of the Japanese Military Y Service dating from 1941 Oct 27 - 1944 Dec 08 in the series Government Code and Cypher School: Security of Allied Cyphers Section: Security Files.... It is held at The National Archives, Kew.

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Full description and record details

Reference
HW 40/201
Date
1941 Oct 27 - 1944 Dec 08
Description

Activities of the Japanese Military Y Service

Held by
The National Archives, Kew
Former department reference
L17(B) PART I
Legal status
Public Record(s)
Access conditions
Retained Until 2004
Closure status
Open Document, Open Description
Subjects
Topics
Conflict
Intelligence
Operations, battles and campaigns
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C11217802/

Series information

HW 40

Government Code and Cypher School: Security of Allied Cyphers Section: Security Files...

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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)

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 40/201

Activities of the Japanese Military Y Service

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