Wax yar ka dib, Macauley wuxuu hogaamiyay 11-aad intii lagu jiray howlgalada Midowga si ay u qaataan Vicksburg. Dagaalkii ugu horeeyay ee ololaha, Macauley wuxuu hogaamiyay raggiisa qabashada batteriga kacdoonka ee Port Gibson
Waxaad 19-kii Maajo 1863, guutada ayaa si aad ah ugu hawlgashay Champion Hill, iyadoo Kornayl Macauley uu ka mid ahaa 167 khasaare ah oo soo gaaray intii lagu jiray dagaalka.