Tuhia he tomokanga mo tenei whitianga - I te Pakanga o Chickamauga, i arahi a Mitchell i tetahi pirihimana i raro i a James B. Steedman i tae wawe mai i te ra tuarua ka whai waahi nui ki te awhina i a George H. Thomas ki te pupuri i tana tuunga whakaroa i runga o Horsehoe Ridge. I te Pakanga o Missionary Ridge e tata ana ki Chattanooga, Tennessee, i tautoko a Mitchell i te pou whakaeke a Maj. Gen. William T. Sherman. I muri mai ka neke ia ki te awhina a Ambrose Burnside i te whakapae o Knoxville. I te pakanga o Atlanta i te tau 1864, i arahi a Mitchell i te anga whakamua ki nga tuunga o te hoariri i te Pakanga o Rocky Face Ridge. He nui te mamae o tana rerenga i te Pakanga o Resaca
I whai wāhi nui ia ki ngā pakanga o Dallas me New Hope Church. I ngaro atu i te kotahi rau tangata tana 113 tawhito i te whakaekenga i Kennesaw Mountain. I ripoata a Mitchell ki a Thomas, ka riro i a ia te mana o te XIV Corps i te Pakanga o Nashville me te whai i te ope Confederate o John Bell Hood.