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 13
Cryptologic Aspects of German Intelligence Activities in South America during World War II
Chapter 3
Allied Operations Concerned with the Clandestine Problem
U.S. Navy (1917-1941)
During World War I, the U.S. Navy had built
up an integrated organization (the Code and Signal
Section of the Office of Naval Communications)
for the compilation, production, distribution,
and accounting of codes and ciphers. This sec-
tion, also known as OP-58, was established as
a part of the Division of Operations sometime
between 2 January and 1 April 1917. Its first head
was Lieutenant Russell Willson (USN), who was
ordered to Washington, D.C., on the former ...
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