... Description of document: A History of U.S. Communications Security (Volumes I and II); ... ... Description of document: A History of U.S. Communications Security (Volumes I and II); the David G. Boak Lectures, National Security Agency... ...: 23-December-2007 Released date: 10-December-2008 Posted date: 24-December-2008 Source of document: National Security Agency Attn: FOIA/PA ... ...te 6248 Ft. George G. Meade, MD 20755-6248 Phone: (301)-688-6527 Fax: (443)-479-3612 Note: The meat of the material left after redaction starts ... ... new possible attacks that lowered our confidence in its security and 10 the KY-l was retired in early 196i. This KY-3 is tile follow-on equipment to ... ...s of it to figure out the circuitry or mechanicallinbps to see ifthe thing will work. These very early veraiona are called "bread-board" models, and a... ...0 at that for the nut leveD years or 10. The war ended; most or·the people involved weDt back to civilian life; the files were retired. dispersed, aDd... ...munications System and the National Communications System (NCS) which inter- .' nneets strategic civil organizations along with the Defense Department... ...bniques in an exhaustive analysis of 167 battles fouabt over a period of many years in different wars. He confined his cboice of battles to those in w...

...This publication consists of a series of lectures prepared and given to interns and other employees by Mr. David G. Boak in 1966. Mr. Boak is uniquely qualified to discuss the history of the US COM_SEC because he has participated significantly in most...