Enigma Machine - A close up of a piece of wood with a logo on it

During World War II, the Germans used the Enigma, a cipher machine, to develop nearly unbreakable codes for sending messages. The Enigma's settings offered 150,000,000,000,000,000,000 possible solutions, yet the Allies were eventually able to crack its code. By end of the war, 10 percent of all German Enigma communications were decoded at Bletchley Park, in England, on the world’s first electromagnetic computers. ...For more information on CIA history and this artifact please visit www.cia.gov ( http://www.cia.gov )