 Harjo served in the U.S. Army's 195th Field Artillery Battalion, serving with his brothers at Normandy in 1944 and the Battle of the Bulge in 1945.In 1944, Edmond Harjo was walking through a French orchard when he encountered another U.S. soldier singing in the Muscogee language, widely known as Muscogee, under a tree.Harjo and the other soldier were overheard conversing by an army captain, who quickly put both to work at opposite ends of the army's radio signal.