Current Images

American Dragon
Nicknamed American Dragon, the cryptologic device was constructed by the Signal Security Agency (SSA) in 1944 to assist the British Colossus — a set of computers created by British codebreakers largely to break the German’s Schlusselzusatz SZ-40 Cipher machine.

Download Image: Full Size (0.09 MB)
Photo by: NSA |  VIRIN: 220323-D-IM742-1234.JPG