
Interesting Things with JC · Yesterday · 2 min
1832: "The Marines Who Built an Unbreakable Code"
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Interesting Things with JC #1832: "The Marines Who Built an Unbreakable Code" — At Iwo Jima, Navajo Marines transmitted more than 800 messages in 48 hours without error, using a military code Japanese forces never broke. Their achievement remained classified until 1968.





