Because of the speed of their communications, code talkers were especially important in relaying information and conveying orders that needed immediate implementation or response, such as troop movement, enemy resistance, evacuation of wounded and directing artillery, ammunition and other supplies. “It was in these defensive positions where you used it quite a bit,” Comanche code talker Forrest Kassanavoid said. “All critical information, something they felt was really top secret, was in Comanche.”