How many Navajo men were recruited for the 1942 code?
Chapter 1

Sparking a global conflict

Chapter 2

Secrets, codes, and silent weapons

Chapter 3

Everyday life on the home fronts

Chapter 4

Turning tides and lasting legacies

YOUR GOAL

Master of The Second World War

Ch 2 · Secrets, codes, and silent weapons
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tester Cracking the German Enigma machine

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tester The development of radar technology

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The development of radar technology

tester Radio detection and ranging technology gave Allied forces an early warning system against enemy air raids.

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The unbreakable Navajo code talkers

tester Native American Marines used their complex, unwritten language to transmit secure tactical messages across the Pacific.

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The Little Enigma
BETA

tester Decode secret military messages to discover how Allied codebreakers shortened the Second World War.

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Fun Fact

Unbreakable code: The Navajo language has no written alphabet, making the military code based on it impossible to translate without native speakers.

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Glossary
cipher (noun)
A secret or disguised way of writing. In 1940, British cryptanalysts at Bletchley Park successfully cracked the German military's Enigma ciphers.

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Gossip

Which WWII invention changed the modern world most?

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Quiz

What was the codename for the intelligence obtained by decrypting high-level Axis communications?

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tester The unbreakable Navajo code talkers

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Quiz

How many Navajo men were originally recruited in 1942 to develop the military code?

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tester Penicillin and battlefield medicine

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Quiz

What was the name of the complex cipher machine used by the German military during World War II?

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Quiz

Which life-saving antibiotic was mass-produced starting in 1943 to treat Allied battlefield casualties?

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Quiz

Which Native American language was used to create an unbreakable code in the Pacific theater?

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Quiz

Who was the British mathematician who designed the electromechanical 'Bombe' to crack the Enigma machine?

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Quiz

What was the name of Britain's coastal radar network that detected incoming German aircraft in 1940?

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Quiz

Where was the top-secret British codebreaking headquarters located during World War II?

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