Kammala wannan jumla: Bayan barkewar yakin basasa a 1862, ya yi murabus daga kujerarsa ta majalisa don shiga cikin rundunar sojojin sa kai na Iowa na 24. Ya shiga aikin soja a matsayin mai zaman kansa amma an zabe shi kyaftin din kamfaninsa. Ya kasance a cikin Sojoji a duk lokacin yakin, yana karɓar raunin rauni a yaƙe-yaƙe na Champion Hill (Mississippi) da
Winchester (Virginia) da ke jihar New York. An ci gaba da shi zuwa babban jami'in a watan Satumba na shekara ta 1864 da kuma Laftanar Kanar a watan Janairu na shekara ta 1865 kuma ya fito a watan Agusta na shekara ta 1865.