President Donald Trump hosts Fleming Begaye, Thomas Begay, and Peter MacDonald, Navajo Code Talkers from World War II, in the Oval Office at the White House on Nov. 27. (Oliver Contreras-Pool/Getty Images)
The Code Talkers had a hand in every major Marine operation in the Pacific theater and were never successfully decoded by the Japanese codebreakers. At the Battle of Iwo Jima, 800 messages had been transmitted and received by the Code Talkers without error.