A group of Native American soldiers devise a secret code for the Allies.

A group of Native American soldiers use their language to devise a secret code for the Allies. Can the Navajo code help win one of the fiercest battles of the war?

Helena Bonham Carter shines a light on extraordinary stories from World War Two. Join her for incredible tales of deception, acts of resistance and courage.

A BBC Studios Audio production for BBC Radio 4 and BBC Sounds.

Producer: Suniti Somaiya
Edit Producer: Melvin Rickarby
Assistant Producer: Lorna Reader
Executive Producer: Paul Smith
Written by Alex von Tunzelmann
Commissioning editor for Radio 4: Rhian Roberts

Source: BBC Radio 4 – History’s Secret Heroes, 14. The Unbreakable Navajo Code