WEBVTT 00:04.740 --> 00:06.990 Marine Corps private , Carl and Gorman 00:07.000 --> 00:09.111 served as a Navajo code talker during 00:09.111 --> 00:12.240 World War two . Gorman was one of 29 00:12.240 --> 00:14.184 Native Americans who developed the 00:14.184 --> 00:16.351 Navajo language based code used during 00:16.351 --> 00:18.296 the Pacific campaign to hinder the 00:18.296 --> 00:20.407 opposition in deciphering battlefield 00:20.407 --> 00:22.407 messages . After World War Two , he 00:22.407 --> 00:24.573 became known for advocating Indian art 00:24.573 --> 00:26.184 was posthumously awarded the 00:26.184 --> 00:28.018 Congressional Gold Medal for his 00:28.018 --> 00:29.370 dedication and military service .