Whakaotihia te rerenga e whai ake nei: I te marama o Mei 1861, i whakauruhia e ia te 18th Illinois Volunteer Infantry Regiment, a, i tohua hei koromatua tuatahi. Ko tana wa i te rangatira o te ope i Kentucky me Tennessee he tautohetohe me te "ordeal". I whara ia i te Pakanga o Fort Donelson. I te Whiringa-a-rangi 1862 i whakawhiwhia ia hei rangatira rangatira, a i whakahau ia i tetahi pirihimana i te Wahanga Tuarua o te XIII Corps. I whawhai ia me te wehewehe i te Campaign Vicksburg i te tau 1863. I arahi ia i ana tangata ki ngā pakanga o
I te wa o te whakaekenga nui o te 22 o Mei 1863 i runga i te Vicksburg MS, i reira ko nga hoia i raro i tana whakahau ko nga ope o te Uniana anake i uru ki nga mahi a te Confederate i te Railroad Redoubt i whakaturia ai e ratou te haki o te US.