Rubuta ci gaba don wannan sakin layi - A matsayin babban mai gabatar da yakin basasa, Coningham ya kasance zabin da ya dace ya jagoranci rundunar sojin sama ta 2 a yakin Arewa maso Yammacin Turai karkashin Air Marshal Trafford Leigh-Mallory, yana jagorantar Sojojin Sojan Sama na Sojan Sama, kuma a watan Janairun 1944 an sake kiransa zuwa Birtaniya inda ya taimaka wajen shirya tallafin iska don saukar da Normandy. Dangantakarsa da Montgomery ta lalace sosai bayan da aka kai harin. Su biyun sukan yi karo da juna lokacin da Montgomery ya yi ƙoƙari ya kewaye Coningham, wanda shine wurin da aka zaba don neman tallafin iska, kuma ya yi hulɗa kai tsaye tare da Leigh-Mallory. A karshen watan Yuni, Montgomery ya yi kira ga Tedder, yanzu mataimakin kwamandan Janar Dwight D. Eisenhower na Amurka a Babban Ofishin Jakadancin, don cire Coningham bayan ya soki sojojin saboda jinkirin kama Caen
don samar da filayen jirgin sama don jiragen sama na dabara. Tedder, duk da haka, ya shawarci Eisenhower cewa irin wannan cirewa zai zama "bala'i" kuma zargi ya dace. A watan Agusta 1944 Montgomery ya rubuta wa Alan Brooke cewa "Coningham yana da tsananin adawa da sojoji kuma duk sojoji sun raina shi; kwamandojin sojojin na ba su amince da shi ba kuma ba sa son ganin shi". Duk da haka Montgomery ne wanda ya karbi tsawata daga Eisenhower, yayin da aka rushe hedkwatar Leigh-Mallory a watan Oktoba a matsayin mai ba da umurni ba dole ba.