I le taimi o le faalauteleina o le United States Army i sauniuniga mo le Taua Lona Lua a le Lalolagi, na toe faatulagaina ai le iunite i le aso 30 Tesema 1940 o le Battery A, 25th Field Artillery Battalion. I le aso 19 Tesema 1942 na toe faʻatulagaina ai le iunite o le Battery A, 604th Field Artillery Battalion ma tofia i Camp Carson, Colorado o se vaega o le fou fou 10th Infantry Division (Mountain). I le avea ai o se vaega o le 10th Mountain Division, na tuua ai e le iunite le Iunaite Setete mo le European Theater of Operations, ma taunuu ai i Italia ia Ianuari 1945. I le taimi o le Taua Lona Lua a le Lalolagi, na maua ai e le iunite ni faailoilo mo gaoioiga i le itu i Matu o Apennines, Po Valley, Rhineland
, Ardennes-Alsace, ma Europa Tutotonu. Ina ua māeʻa le Taua Lona Lua a le Lalolagi i Europa ma le Pasefika, na toe faaigoa ai le Battery A, 604th Field Artillery Battalion o le Battery A, 25th Field Artillery Battalion ma e leʻi umi ae faʻamutaina.