Aviation "Ace" of the First World War. A native of New Bedford, Massachusetts, he joined the United States Ambulance Service in 1916. After seeing action on the Western Front and in Serbia, he enlisted in the French Air Service in May 1917. After earning his pilot's wings, he was assigned to Spa 73 at Dunkirk in November 1917. A month later, he joined the Storks Group as a pilot with Spa 3. In early 1918, Baylies refused a commission with the United States Air Service, preferring to remain with the French. After earning 12 air combat victories, he was killed in action. First buried at Rollet, his body was exhumed in 1927 and brought to its present resting place of honor.