Today is National Navajo Code Talkers Day. Four surviving code talkers were honored in the Navajo Nation's capital. | U.S. Marine Corps

One of the last remaining Navajo code talkers of World War II has died. Who were the code talkers? Here's what to know. http://cnn.it/2cDaEZj | CNN

During #WWII, Navajo code talkers used their unique, unbreakable language to protect American military communications -- a talent that was especially helpful during the Battle of #IwoJima and throughout the Pacific. On National Navajo Code Talker Day, we honor members of the Navajo Nation and all Native Americans whose vital roles in the war saved countless lives. #HonorThem #KnowYourMil | U.S. Department of War