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Central Intelligence Agency

(Encyclopedia)Central Intelligence Agency (CIA), independent executive bureau of the U.S. government established by the National Security Act of 1947, replacing the wartime Office of Strategic Services (1942–45),...

National Security Agency

(Encyclopedia)National Security Agency (NSA), an independent agency within the U.S. Dept. of Defense. Founded by presidential order in 1952, its primary functions are to collect and analyze communications intellige...

intelligence

(Encyclopedia)intelligence, in psychology, the general mental ability involved in calculating, reasoning, perceiving relationships and analogies, learning quickly, storing and retrieving information, using language...

artificial intelligence

(Encyclopedia)artificial intelligence (AI), the use of computers to model the behavioral aspects of human reasoning and learning. Research in AI is concentrated in some half-dozen areas. In problem solving, one mus...

CIA

(Encyclopedia)CIA: see Central Intelligence Agency. ...

Donovan, William Joseph

(Encyclopedia)Donovan, William Joseph dŏnˈəvən [key], 1883–1959, U.S. lawyer and government official, b. Buffalo, N.Y., grad. Columbia law school. Distinguished service in World War I won him medals and the n...

McLean

(Encyclopedia)McLean, city (1990 pop. 38,168), Fairfax co., N Va., a suburb of Washington, D.C. Manufacturing includes foods, satellite components, and computer and telecommunications equipment. The headquarters of...

news agency

(Encyclopedia)news agency, local, national, international, or technical organization that gathers and distributes news, usually for newspapers, periodicals, and broadcasters. From 1915 until the 1940s, news age...

Defense Advanced Research Projects Agency

(Encyclopedia)Defense Advanced Research Projects Agency (DARPA), U.S. government agency administered by the Department of Defense (see Defense, United States Department of). It was established in 1958, in reaction ...

Snowden, Edward Joseph

(Encyclopedia)Snowden, Edward Joseph, 1983–, American computer systems administrator and antigovernment activist, b. Elizabeth City, N.C. Snowden worked for the Central Intelligence Agency from 2007 and then (200...