NSA celebrates Armed Forces Week with a look at a U.S. Marine Corps cryptologic achievement

In May 1942, the Marines took over the work of code talkers, first recruiting 29 Native Americans. Ultimately, the Marine Corps settled on the Navajo language as they felt it would be more secure. In campaigns against the enemy on the many fronts, the Native American Code Talkers never made a mistake in transmission nor were their codes ever broken.