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Brigadier-General Walter Buckingham Caddell (22 September 1879 – 20 April 1944) was a Royal Artillery, Royal Flying Corps and Royal Air Force officer who served in a number of senior military aviation appointments during World War I. Born on 22 September 1879, the son of Lieutenant-Colonel Henry Caddell and his wife Anna Matilda (née Persse), Walter Caddell was to grow up in a large family being the fourth child amongst nine children. He was commissioned a Second lieutenant in the Royal Garrison Artillery on 26 May 1900, and promoted to the rank of Lieutenant on 29 March 1902.