Code Warriors: NSA's Codebreakers and the Secret Intelligence War Against the Soviet Union

A sweeping history of the NSA and its codebreaking from its roots in World War II through the end of the Cold War.

The National Security Agency grew out of the legendary codebreaking programs of World War II that turned the tide of Allied victory by cracking the famed Enigma machine and other seemingly impenetrable German and Japanese codes. But things became murky in the postwar years, when our intelligence community found itself targeting not battlefield enemies, but suspected…