In October 1918, World War I had been raging in Europe for more than four years. When Major Charles Whittlesey led the U.S. 77th Division into France’s Argonne Forest, his troops were soon surrounded and cut off from escape by German forces. Things became even more dangerous when the division came under friendly fire from U.S. forces. The troops’ only hope was to send a carrier pigeon named Cher Ami with a desperate message to stop the attack.

Listen all about the brave little pigeon that carried out a dangerous mission to deliver a desperate message across a deadly battlefield.