Whakaotihia te rerenga e whai ake nei: I te marama o Mei 1942, i tohua a Collins hei rangatira o te 1st Battalion, 130th Infantry Regiment. I te Haratua 1944 i tukuna te 130th Infantry ki Finschhafen i New Guinea. I te marama o Akuhata 1944 i riro i a Collins te mana o te 130th Infantry, i whakahau i te ope taua i te wa o te
Te Pakanga o Morotai me te Pakanga o Luzon, i reira i uru ai te 130th Infantry ki te hopu i Baguio. I whai wāhi atu te 130th Infantry ki te Whakanoho o Hapani, i tae ki reira i te marama o Hepetema 1945.