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USGS CORONA Photography Collection- Declassified Satellite photos
National Imagery and Mapping Agency
Ready access to the world's imagery, imagery intelligence and geospatial information.
Chronology of Spy Satellites
Wonderful World of Satellites
Primer for satellites, how they work, how they are launched, etc.
Code Name: Corona article
As its engineers can now finally recount after decades of secrecy, launching the world's first spy satellite was no small technological feat. And their efforts changed the course of world events.
VENONA Project
VENONA was the codename used for the U.S. Signals Intelligence effort to collect and decrypt the text of Soviet KGB and GRU messages from the 1940's. These messages provided extraordinary insight into Soviet attempts to infiltrate the highest levels of the United States Goverment.
New Satellite Images for Sale
Cryptography's Role in Securing Information Society
National Cryptologic Strategy for 21st Century
Overhead the Intelligence Community
This compilation of overhead imagery and maps of intelligence and related facilities complements the Ground Truth collection of facility profiles and [ground level] photography.
A Century of Detective and Subminiature Cameras
"Spy Camera" A Century of Detective and Subminiature Cameras By Michael Pritchard and Douglas St. Denny
Spy Camera