There are a lot of fun documents available from the NSA. e.g. UNITED
STATES CRYPTOLOGIC HISTORY Special Series Crisis Collection Volume 1
Attack on a Sigint Collector, the U.S.S. Liberty, 1981
I'm now reading "It Wasn't All Magic: The Early Struggle to Automate Cryptaalysis, 1930's - 1960's." by Colin Burke, 2002.TOP
SECRET//COMINT//REL TO USA, AUS, GAN, GBR and NZL/X1
Cryptologic Histories
To make sure I get proper NSA notice, M-x spook:
HAMASMOIS government SWAT anthrax ammunition quarter S Key SAPO gamma TELINT FTS2000 MILSATCOM PET Peking UNSCOM
Notes from reading (all wikipedia):
I'm now reading "It Wasn't All Magic: The Early Struggle to Automate Cryptaalysis, 1930's - 1960's." by Colin Burke, 2002.
Cryptologic Histories
To make sure I get proper NSA notice, M-x spook:
HAMASMOIS government SWAT anthrax ammunition quarter S Key SAPO gamma TELINT FTS2000 MILSATCOM PET Peking UNSCOM
Notes from reading (all wikipedia):