Articles related by keyphrases (Bot populated)[edit]
National Security Agency[r]: An organization within the United States Department of Defense, with the dual roles of the principal signals intelligence agency in the United States intelligence community , but also having the responsibility for information assurance of military, diplomatic, and other critical communications. [e]
Instrumentation for radioactivity[r]: Devices that variously detect, measure and characterize radioactivity; they may be intended for field or laboratory use [e]