Mezue ahịrịokwu na-esonụ: Mgbe Agha nke Arkansas Post gasịrị, Grant nwetaghachiri iwu nke ike Sherman, ndị XV Corps a haziri ahazi, yana nke McClernand, onye jigidere iwu nke XIII Corps. Ọchịagha Rutherford na ndị agha ya nke 97 nke Illinois, ka nọ na kọmitii Kọmitii Landram, ugbu a bụ Kọmitii nke 2 na Brigadier General Andrew Jackson Smith nke 10 nke Ngalaba. Ndị otu ndị agha nke 97 nke Illinois sonyere na
Agha Port Gibson na Mee 1, 1863. Mgbe ha nwetasịrị ụfọdụ okwute na-enweghị nguzogide, ndị agha Union jiri nwayọ nwayọ site na mwakpo ndị agha Confederate. N'ịbụ ndị ndị Brigadier General John A. Logan nke Major General James B. McPherson kwadoro, ndị agha Union nke Brigadier General Peter Osterhaus nke ndị agha McClernand wakporo ndị Confederate ziri ezi ma mee ka ọnọdụ nke Brigadier General Martin Green na-enweghị ike. Onyeisi ndị agha Confederate bụ Majin Jeneral John Bowen wepụrụ ndị agha ya na-erughị ya n'ọnụ ọgụgụ na Port Gibson n'abalị ahụ.