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ISBN-13: 9780367634803, 978-0367634803. In forming the Royal Air Force on 1 April 1918, Britain created the world's first independent air service. Britain entered the First World War with less than 200 ill-assorted flying machines divided between the army and the navy, but by the end of the war the RAF mustered almost 300,000 personnel and 22, 000 aircraft.
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