Whakaotihia te rerenga e whai ake nei: I te Pakanga Tuarua o te Ao i uru a Grahamslaw ki te Rōpū Whakahaere o Ahitereiria o New Guinea a ka tohua hei rangatira rohe mo te Rohe ki te Raki. I a ia anake e haere ana mai i te raki ki te taha tonga o New Guinea whai muri i te whakaekenga a Hapanihi, i awhina ia ki te whakarite i nga hoia o Ahitereiria mo te
Ko te kaupapa Kokoda Track. I whakatairangahia ia hei rangatira mo te wa poto, a i whakawhiwhia ki a OBE i te 1943 mo ana mahi i te Pakanga o Buna<unk>Gona. I te tau 1943 i whakawhiti ia ki te Australian Imperial Force, a i te timatanga o te tau 1944 i whakawhiwhia ki a ia te kawenga mo te rohe o Lakekaum, i mua i te tango i te whakahaere o tetahi rohe nui ake i muri mai i te tau. I te tau 1945 i whakatairangahia ia ki te koromatua, i noho tonu ki te ope taua tae noa ki te whakakorenga i te Hui-tanguru 1946.