Four Native American World War II code talkers from Montana have been posthumously honored for their service.

The families of the four accepted Congressional Gold Medals for their ancestors' service Friday during a ceremony in Crow Agency.

Code talkers were tribal members who spoke their native tongue during the war to keep the enemy from intercepting messages.

The four Crow code talkers posthumously honored are Henry Old Coyote, Barney Old Coyote, Cyril Not Afraid and Sampson Birdinground Jr.

The ceremony included a flyover with two Blackhawk Helicopters and a B-1 Bomber.