8 Incredible Inventions of the Indigenous People of the Americas

Samuel Sandoval, one of the last original Navajo Code Talkers, recalls enlisting in the Marines at 18 to help create an unbreakable code. Using their sacred, unwritten language, he and his brothers-in-arms forged a secret weapon that never fell to the enemy.

Historian Zonnie Gorman shares the legacy of the Navajo Code Talkers, including her father, Carl. These heroes used their native language to help secure every major Pacific battle. As Major Connor noted, without them, Iwo Jima would never have been taken.

In WWII, Native American Code Talkers created an unbreakable code for Allied transmissions, but the strategy began in WWI amid persecution at home.

When conventional tactics fail, governments have been known to test the boundaries of reality. During the darkest days of World War II, Britain turned to an astrologer who claimed he could alter the course of the war using the power of the stars.