January 2011
Beginner to intermediate
104 pages
5h 19m
English
book
Cryptologic Aspects of German Intelligence Activities in South America during World War II
by David P. Mowry
Content preview from Cryptologic Aspects of German Intelligence Activities in South America during World War II
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Page 67
Cryptologic Aspects of German Intelligence Activities in South America during World War II
Page 67
Introduction
Historical records concerning the exploita-
tion of Axis clandestine traffic in World War II
are few. The following account depends primarily
on GC&CS Secret Service SIGINT, Volumes I-III,
which covers 1928 to 1945; “History of OP-20-GU
(Coast Guard Unit of the Naval Communications
Annex),” which covers only 1941 to 30 June 1943
and is concerned primarily with administrative
matters rather than the cryptanalytic effort itself;
and History of Coast Guard Unit #387, 1940-1945.
Both the Coast Guard and the British Government ...
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