Tuhia he tomokanga mo tenei pene - I te Pakanga Tuatahi o te Ao, i mahi a Neilson i roto i te United States Army infantry hei rangatira. I te tau 1917, i te 41 o ona tau, i whakaatu ia mo te whakangungu rangatira, kei Plattsburgh, New York. I te tau 1918, i uru a Neilson ki te Pakanga Tuarua o te Marne
, i mate ai tana rangatira rangatira. I te pakanga i whara ia, engari i mau tonu ia ki te whakahau i ona hoa hoia me te haumaru i a raatau mo nga haora 24. He wero i werohia e ia ki te kopu, ā, he maha hoki nga whara i werohia e ia. I noho ia i te toenga o te pakanga ki te hohipera, a, i muri mai ka whakawhiwhia ki te Whawhai Whawhai Whawhai me te Whawhai Whawhai Whawhai.