3
3
0
Posted in these groups: 
WWI
Military History
American HistoryNational Archives and Records Administration
WWI Military History American HistoryNational Archives and Records Administration
Posted >1 y ago
Responses: 2
0
0
0
https://en.wikipedia.org/wiki/Black_Chamber
That is a good site...try this one, if you've never seen stuff on them before from WW1, definitely a different slice of existence back then little remembered now....
That is a good site...try this one, if you've never seen stuff on them before from WW1, definitely a different slice of existence back then little remembered now....
The Black Chamber (1919–1929), also known as The Cipher Bureau, was the United States' first peacetime cryptanalytic organization, and a forerunner of the National Security Agency. The only prior codes and cypher organizations maintained by the US government had been some intermittent, and always abandoned, attempts by Armed Forces branches prior to World War I.[1]
(0)
(0)
0
0
0
Read This Next
Continue with Facebook 
Continue with Google