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Olga Gray and the Woolwich Arsenal Spy Ring
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Catalogue reference: HW 13/65
This record is about the Surveys and analyses of German night defence methods against Allied bombing raids,... dating from 1943 Nov 11, 1944 Feb 14-1945 Mar 2 in the series Government Code and Cypher School: Second World War Intelligence Summaries Based.... It is held at The National Archives, Kew.
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Surveys and analyses of German night defence methods against Allied bombing raids, controlling long-, medium- and short-range fighters, including "Running Commentary" Ground Control of Intercept (GCI), BENITO and Route Interception techniques; organisation and control of GAF nightfighters on Western Front; (covering period Sept 26 1943 to March 1945)
HW 13
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Surveys and analyses of German night defence methods against Allied bombing raids,...
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