did-you-kno:The Navajo language was chosen to code U.S. military operations because it has no writte
did-you-kno:The Navajo language was chosen to code U.S. military operations because it has no written form and is almost impossible for non-native speakers to learn. After the operation was declassified in 1968, the Japanese Chief of Intelligence admitted that though his army had been able to decipher many U.S. codes, they were never able to crack the Navajo code. Source Source 2 -- source link
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