Britain appeared doomed until the German naval codes were cracked.

Codebreaking

The Codebreakers’ War in the Atlantic

By Gene J. Pfeffer

The Battle of the Atlantic was a life-and-death struggle between the German Kriegsmarine and the Allied navies that was fought for control of Britain’s lifeline to its empire and to the United States. Read more

German soldiers operate an Enigma machine, sending classified information encoded through a system of rotor settings that were believed to be virtually impossible to crack. However, Allied cryptanalysts at Bletchley Park were reading top secret German communications for some time during World War II.

Codebreaking

The Miracle of Bletchley Park

By Hervie Haufler

Great Britain’s military intelligence leaders learned from their experience in World War I that the kinds of minds capable of breaking codes are a rare commodity and are often not likely to blossom in a military atmosphere. Read more