Whakakī i te rerenga e whai ake nei: I te wā o te whakawhānui o te United States Army i roto i te faaineineraa mo te Pakanga Tuarua o te Ao, i whakahoutia te wae i runga i 30 Hakihea 1940 rite Battery A, 25th Field Artillery Battalion. I te 19 o Tihema 1942 i whakahoutia ano te waahanga hei Battery A, 604th Field Artillery Battalion ka tukuna ki Camp Carson, Colorado hei waahanga o te 10th Infantry Division (Mountain) i hangaia hou. Hei waahanga o te 10th Mountain Division, i wehe atu te waahanga i te United States mo te Whare Taonga o Europi o nga Mahi, ka tae ki Itari i te Hanuere 1945. I te Pakanga Tuarua o te Ao i whiwhi te roopu i nga panui mo nga mahi i te Raki Apennines, Po Valley,
Ko Rhineland, ko Ardennes-Alsace, ko Central Europe. Whai muri i te mutunga o te Pakanga Tuarua o te Ao i Uropi me te Moana-nui-a-Kiwa, i whakaingoatia te Battery A, 604th Field Artillery Battalion hei Battery A, 25th Field Artillery Battalion, a, i muri tata mai ka whakakorehia.