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NSA Headquarters
The black-glass home of U.S. signals intelligence
The headquarters of the National Security Agency sits at Fort Meade, Maryland, between Washington and Baltimore — a complex of dark-glass office towers that is the nerve center of American signals intelligence and codebreaking. So secretive that the agency was long jokingly said to stand for "No Such Agency," it operates one of the most restricted campuses in the country, with its own exits off the Baltimore–Washington Parkway.