Dee ihe na-aga n'ihu maka paragraf a - Na Grant's Vicksburg Campaign, Logan nyere iwu nke atọ nke James B. McPherson's XVII Corps, nke bụ onye mbụ batara n'obodo Vicksburg na July 1863 mgbe e jidere ya. Mgbe ahụ Logan jere ozi dị ka gọvanọ ndị agha nke obodo ahụ. N'ọnwa Nọvemba nke afọ 1863 ọ nọchiri William Tecumseh Sherman n'ọchịchị nke XV Corps; na na Agha Atlanta
(July 22, 1864), mgbe ọnwụ nke James B. McPherson n'ụbọchị, o weere iwu nke ndị agha nke Tennessee. Oliver O. Howard nọchiri ya n'oge na-adịghị anya mgbe nke ahụ gasịrị. Ọ laghachiri Illinois maka ntuli aka nke 1864 mana ọ laghachiri n'usuu ndị agha ma nye ndị agha ya nke XV iwu na Sherman's Carolinas Campaign.