Picture a World War One hero who took a bullet to the chest, lost a leg, and saved nearly 200 American soldiers, a hero so revered that General Pershing personally saw them off at the docks. Now picture that hero weighing one pound and covered in feathers.

This episode tells the story of Cher Ami, the most famous homing pigeon in military history, while examining how the military builds its legends. We explore the desperate communication failures of 1918, the Lost Battalion's friendly-fire nightmare, and the modern research suggesting the famous tale is a carefully edited composite.

• Why the US Army turned to pigeons when artillery destroyed wires, radios needed mule-hauled batteries, and human runners were gunned down
• Major Whittlesey's desperate note and the Lost Battalion trapped under their own American artillery in th ...