Dee ihe na-aga n'ihu na paragraf a - Mgbe ha nọsịrị na Missouri n'oge mgbụsị akwụkwọ na oge oyi, e jikọtara ndị agha 18 Indiana na ndị agha Grant na-agba mbọ ịgafe Mississippi ma weghara Vicksburg. Ndị Indiana nke 18 lụrụ ọgụ na Port Gibson
na Champion Hill ma sonye na ọrụ nnọchibido gburugburu Vicksburg, ebe o duziri otu ndị agha nke a jara mma maka omume obi ike n'oge mbido mbuso agha nke ndị iro na May 1863. Mgbe ihe ịga nke ọma nke ọrụ Vicksburg gasịrị, ndị agha Washburn nọgidere na XIII Army Corps tinyere aka na arụmọrụ na Teche River, na mmeri nke ọtụtụ ndị nnupụisi. Na Jenụwarị 1864, e zigara 18th Indiana na Virginia ebe ọ sonyere n'ọtụtụ ọgụ siri ike. N'ọnwa Ọgọstụ 1864, e tinyere 18th Indiana na 4th Brigade, 2nd Division (Grover) nke Emory's XIX Army Corps.