The Eagle Squadrons were three fighter squadrons of the Royal Air Force (RAF) formed with volunteer pilots from the United States during the early days of World War II (1940), prior to America's entry into the war in December 1941.
Miles Masters of No. 5 Service Flying Training School, flown by volunteers for No. 71 (Eagle) Squadron
American pilots of No 71 'Eagle' Squadron rush to their Hawker Hurricanes at Kirton-in-Lindsey, 17 March 1941.
Personnel of No. 121 Squadron look on as three Spitfire Vbs come in to land at RAF Rochford in Essex, after a fighter sweep over northern France during August 1942.
Spitfire Mk Vb of the 334th Fighter Squadron, 4th Fighter Group, previously of No. 71 Squadron.
Charles Francis Sweeny was an American businessman and socialite who played a major role in the formation of the Eagle Squadrons, composed mostly of volunteer American pilots eager to fight in the Royal Air Force prior to the United States entering into World War II.
Grave of Charles Francis Sweeny and his first wife Margaret, Duchess of Argyll, in Brookwood Cemetery, Surrey