Essential Matters. A History of the Cryptographic Branch of the People's Army of Viet-Nam, 1945-1975 with a supplement on Cryptography in the Border Guard (formerly the Armed Public Security Force) 1959-1989. (US Cryptologic History Special Seri by Gaddy, David W. (Translated & Edited)

Essential Matters. A History of the Cryptographic Branch of the People's Army of Viet-Nam, 1945-1975 with a supplement on Cryptography in the Border Guard (formerly the Armed Public Security Force) 1959-1989. (US Cryptologic History Special Seri Gaddy, David W. (Translated & Edited): 10626 National Security Agency 1994 First Edition Very Good+ with no dust jacket Softcover Red & Yellow Wrappers show very slight shelf/edge wear. Clean throughout, NO MARKS. Initials BH on top of front cover, near edge. Light crease diagonal across bottom front. Central Security Service #CCH-E32-94-02. $25.59USD
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