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Olga Gray and the Woolwich Arsenal Spy Ring
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Catalogue reference: HW 40/112
This record is about the Reports revealing enemy exploitation of US Army Air Force weather communications,... dating from 1944 Jan 02 - 1945 Jun 14 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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HW 40/112
1944 Jan 02 - 1945 Jun 14
Reports revealing enemy exploitation of US Army Air Force weather communications, with some related correspondence
L8(T)
Public Record(s)
Retained Until 2004
Open Document, Open Description
HW 40
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Records created or inherited by Government Communications Headquarters (GCHQ)
Government Code and Cypher School: Security of Allied Cyphers Section: Security Files...
Reports revealing enemy exploitation of US Army Air Force weather communications,...
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