Kammala jumla mai zuwa: Da farko yana aiki a matsayin mai zaman kansa, brigade ya shiga cikin Yaƙin Shaiba (12 <unk> 14 Afrilu 1915) inda Manjo George Wheeler na 7th Hariana Lancers ya sami Gicciye Victoria, da Ayyuka a Farisa Arabistan (21 Afrilu <unk> 18 Yuni) gami da batun Khafajiya (14 <unk> 16 Mayu). Daga nan ya shiga cikin Yaƙin Es Sinn (28 Satumba) wanda ya haifar da kama Kut al Amara. Daga 6 ga Oktoba, an sanya brigade a ƙarƙashin umurnin Rukunin na 6 (Poona) kuma tare da shi ya shiga cikin ci gaban Bagadaza gami da Yaƙin Ctesiphon (22 zuwa 24 ga Nuwamba) da kuma janyewar da ta biyo baya (Alamar Umm a Tabul a ranar 1 ga Disamba) zuwa Kut. Ya bar sashen a can a ranar 6 ga Disamba kafin ya samu
an yi masa hari.