Whakaotihia te rerenga e whai ake nei: I muri mai ka arahina e Morshead te 33rd Infantry Battalion i roto i te Pakanga o Messines i te Pipiri 1917, me te Pakanga kino o Passchendaele i Oketopa, i mate ai te wehenga tuatoru. I te Poutu-te-rangi 1918, i tukuna te Rōpū Tuatoru ki te rohe o Somme hei āwhina ki te whakamutu i te
Te whakaeke a Tiamana i te puna. Ko te 9th Infantry Brigade, ko te 33rd Infantry Battalion tetahi waahanga, i wehe mai i te 3rd Division ka tukuna ki Villers-Bretonneux. I te 30 o Poutu-te-rangi, ko te rangatira o te 9th Infantry Brigade, a Brigadier General Charles Rosenthal, i whakahau ki a Morshead kia whakahoutia te mua o Aubercourt. Ma te awhina o nga Lancers 12 o Ingarangi, i taea e te roopu te whakahoki mai i te raina, ahakoa kaore i taea te ahu whakamua kia rite ki te tumanako a Rosenthal. Na ka whakawatea te 33rd Infantry Battalion, ka hoki ki Villers-Bretonneux ki te okioki. Heoi, i te 4 o Paenga-whawha, i miharo a Morshead ki te kite kua pakaru ano te raina me te whakawehi a Villers-Bretonneux. I roto i te Pakanga Tuatahi o Villers-Bretonneux, i uru te ope ki te aukati i te anga whakamua, me te aukati i nga Tiamana ki te hopu i te taone. I te Paenga-whawha 18, kei te taone tonu te 33rd Infantry Battalion i te wa i kaha ai te pupuhi me te hau paitini. He maha nga tangata, tae atu ki a Morshead, i mate i te hau mustard. Kāore ia i hoki mai ki tana waeine tae noa ki Hune.