Rubuta ci gaba ga wannan sakin layi - A 1863, sabon rundunar ya yi yaƙi a yakin Grand Gulf
, Yaƙin Champion Hill, Yaƙin Babban Black River Bridge, da kuma kewaye da Vicksburg, inda aka kama rundunar a matsayin wani ɓangare na mika wuya na Confederate. Sa'an nan kuma mutanen da ke cikin rundunar sun yi musayar fursunoni kuma suka sake shiga rundunar soja, har yanzu suna karkashin sunan 1st da 4th Missouri Infantry Regiment (Consolidated). A shekara ta 1864, rundunar ta shiga cikin yakin New Hope Church, da yakin Kennesaw Mountain, da kewaye da Atlanta, da yakin Allatoona, da kuma yakin Franklin. A ranar 9 ga Mayu, 1865, kusa da karshen yakin, 1st da 4th Missouri Infantry (Consolidated) sun mika wuya a yakin Fort Blakely, suna kawo karshen wanzuwar kungiyar.