Air Force Association - SA Division - 15 March 1913: Per Ardua Ad Astra motto adopted for Royal Flying Corps Did you know that on this day in 1913, the Royal Flying
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Per Ardua Ad Astra : Seventy Years of the RFC and the RAF by Cynthia Fowler and Michael Donne (1983, Hardcover) for sale online | eBay
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Royal Air Force motto. Per ardua ad astra. Through adversity to the stars. iPhone Case by Tom Hill - Fine Art America
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Per Ardua Ad Astra: Seventy Years of the Rfc and the Raf: Donne, Michael, Flower, Cynthia: 9780584110227: Amazon.com: Books
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