Dhameystir weedha soo socota: Sanadkii 1941 wuxuu ku biiray ciidamada cirka ee Boqortooyada Ingiriiska, xilliga qaboobidkana wuxuu la duulay ciidamada duulimaadyada ee No. 121 (Eagle) Squadron, oo ka koobnaa mutadawiciin Mareykan ah. Sarkaalka duuliyaha ah ee Mahon wuxuu waxyeeleeyay seddex dagaalyahan oo Jarmal ah iyo laba Focke-Wulf Fw 190s bishii Abriil iyo Messerschmitt Bf 109 bishii Maajo, ka hor inta uusan ku guuleysan guushiisii ugu horreysay ee la xaqiijiyay ee laba Fw 190s, oo lagu soo riday aagga Saint-Omer, Juun 8, 1942. Bishii Luulyo 31-keedii, wuxuu burburiyay laba Fw 190 oo kale aagga Berck-Sur-Mer wuxuuna noqday xiddig xilli uu daboolayo
Duqeyn ciidan oo ka dhacday Dieppe, 19kii Agoosto, 1942, duqeyntii 98aad ee duuliye dagaal. 8:30 subaxnimo, isagoo duulaya Spitfire Vb, oo loogu magac daray "Barry", Mahon wuxuu soo riday Fw 190 iyo Fw 190 kale ka hor inta aan diyaaradiisii la weerarin oo lagu qasbay inuu ka baxo diyaaradda gubaneysa. Markii uu badda ku soo degay, waxaa la qabtay isagoo maxbuus ah. Inkastoo Mahon uu dalbaday in uu toogto laba Jarmal maalintaas, waxaa la siiyay kaliya hal abaalmarin dagaalkii ka dib. Sidaa darteed, rikoor shan ah oo la xaqiijiyay, laba macquul ah iyo seddex dhaawac ah Mahon ayaa helay British Distinguished Flying Cross sanadkii 1985.