Dee ihe na-esote paragraf a - Ọrụ ikpeazụ Mahaddie rụrụ n'oge agha ahụ bụ na 24 Julaị 1944 mgbe e mere ya onyeisi ndị agha na RAF Warboys, ebe ụgbọelu nke bụ ebe obibi nke Pathfinder Force Training Unit. O weghaara iwu site n'aka Group Captain J. H. Searby, onye ọkwọ ụgbọelu nke Mahaddie kpọbatara na mbụ na Pathfinder Force, ama ama maka ịbụ Master Bomber na Peenemünde mwakpo
Ọ dị mma. Ngalaba ahụ zụrụ ndị ọrụ ụgbọelu na Avro Lancaster na De Haviland Mosquito. A kpọtụrụ Mahaddie aha ọzọ na Despatches na 1 Jenụwarị 1945. Oge ikpeazụ ọ gbara ụgbọelu n'oge agha bụ mgbe ọ na-edu ụgbọelu nke Lancasters iri isii iji kpọlata ndị agha RAF e jidere na Lübeck.