103rd Aero Squadron
The 103rd Aero Squadron was an aviation pursuit squadron of the U.S. Air Service that served in combat in France during World War I. Its original complement included pilots from the disbanded Lafayette Escadrille and Lafayette Flying Corps. One of those pilots, Paul F. Baer, became the first ace of an American unit in World War I. The 103rd Aero Squadron was the first U.S. pursuit squadron in action during World War I and had the longest combat service, from 19 February to 11 November 1918. It earned six battle participation credits, flew 470 combat missions, engaged in 327 combats, destroyed 45 German aircraft in aerial combat and claimed an additional 40 as probably destroyed, shot down two balloons, flew 3,075 hours over the front lines, and dropped 4,620 pounds of bombs. Its casualties were five killed in action, two killed in flying accidents, four prisoners of war, three wounded in action, and one injured in a forced landing. The commander of the 1st Pursuit Wing, in general orders, said of the 103rd: "In February last the Lafayette Escadrille of the French Army was transferred to the 103rd Aero Squadron, United States Army. It was the first, and for nearly