Kammala wannan jumla: A karshen watan Maris na shekarar 1944, McKittrick ya shirya rundunar sojin sama don yakin da ke tafe
aiki a kan Emirau. Tsibirin ya riga ya kasance ba tare da adawa ba kuma kama shi ya kasance aiki mai sauƙi. Daga nan sai aka nada McKittrick a matsayin shugaban ma'aikata na 1st Marine Aircraft Wing karkashin Major General James T. Moore. Ya kasance a cikin wannan matsayi har zuwa ranar 16 ga Yuni, 1944, lokacin da abokin aikinsa na makarantar dabarun, Kanar Stanley E. Ridderhof ya gaje shi kuma daga baya aka nada shi Kwamandan Tsaron Sama a lokacin Yaƙin Saipan. McKittrick ya ci gaba da irin wannan aiki a lokacin yakin Tinian a karshen Yuli. A cikin wadannan kamfen din, ya jagoranci sintiri na jirgin sama, da bama-bamai da kuma ayyukan da aka yi a baya kuma daga bisani ya sami lambar yabo ta biyu don aikinsa.