I te tau 1862, i muri i te pakarutanga o te Pakanga ā-Iwi, ka uru ia ki te ope taua o te Uniana hei rangatira o te Kamupene H, 31st Iowa Volunteer Infantry Regiment. I whakatairangahia ia ki te rangatira i te tau 1864, a, i mahi ia tae noa ki te mutunga o te pakanga. I uru ia ki nga pakanga o Chickasaw Bayou, Arkansas Post, Siege o Vicksburg, Maunga Tirohanga, Missionary Ridge, Maunga Kennesaw, Atlanta
, me Jonesboro, me Sherman's March ki te Moana.