The National Cryptologic Museum, operated by the National Security Agency (NSA), highlights many historically significant events, devices, and people in the world of cryptology. This Web site gives brief descriptions of many exhibits showcased at the museum. Some of the most intriguing exhibits include the Civil War, the "Big" Machines, the Codetalkers, the VENONA Project, and the Hall of Honor....

The National Security Agency's (NSA) Web site provides information about NSA's mission and activities. NSA is the nation's cryptologic organization and employs this country's premier codemakers and codebreakers. Under its two national missions, NSA collects and processes foreign signals intelligence and it is also responsible for providing leadership, products and services to protect classified...