Ramba uchiverenga ndima ino - Musi wa1 Nyamavhuvhu 1915, Mackinolty akaendeswa kuAustralia Imperial Force, kuti atungamire boka revamwe gumi nevatatu vemakanika sekusimbiswa kweAustralia Flying Corps contingent inoshanda mumushandirapamwe weMesopotamia. Akabva muMelbourne mazuva mapfumbamwe gare gare akatasva RMS "Persia", ndokusvika muBasra musi wa1 Gunyana. Chikwata chaMackinolty chakabva chabatana neNo. 30 Squadron Royal Flying Corps (pakutanga Mesopotamian Half Flight AFC), iyo yakaenda kuguta reKut mushure mekutorwa kwayo nemauto eBritish Empire muHondo yeEs Sinn. Chikamu ichi chakatora chikamu muHondo yeCtesiphon muna Mbudzi, uye chakaronga kuendeswa kwezvinhu kuvarwi veBritain neIndia muKut panguva yekukombwa.
rakatangira muna December 1915 kusvika muna April gore rakatevera racho.