<prompt> Bhala okuqhubekayo kwalesi sigaba - Ezimpini zeChattanooga, uGrant wayemathintanyawo ngokusebenzisa i-Army of the Cumberland ekulweni okuyinhloko, esaba ukuthi isimo sabo sengqondo sasiphansi kakhulu ngemuva kokunqotshwa eChickamauga. Esikhundleni salokho, wasebenzisa amabutho aseMpi YasePotomac, ayeziqhenya ngokunqoba kwawo kwamuva eMpini yaseGettysburg, ukuze athathe iNtaba iLookout  <response>: futhi wahlela ukusebenzisa amabutho avela e-Army of the Tennessee, nawo asanda kunqoba ekuvinjezelweni kweVicksburg, ukuhlasela uhlangothi lwesokudla lwe-Confederate eMissionary Ridge. I-Army of the Cumberland yanikezwa umsebenzi omncane wokuthatha imigodi yezibhamu esisekelweni seMissionary Ridge. Nokho, lapho sebeyifinyelele injongo yabo, amabutho amane elinye elaliholwa nguPhilip H. Sheridan akhuphuka ngodonga futhi aqothula isikhungo se-Confederate. Lapho uGrant ebuza ngentukuthelo ukuthi ubani owayeyale lawo mabutho ukuba akhuphuke umqansa, bobabili uThomas noGordon Granger, umkhuzi wamasosha ebuthweni, baphendula ngokuthi babengazi. UGranger wabe esenezela, Lapho laba bafana sebeqalile, akukho esihogweni esingabavimba. 