Dee ihe na-esote paragraf a - Ọ laghachiri na ndị agha ya mgbe ha meriri n'agha Chickamauga, wee zute ha na Chattanooga, Tennessee, ebe ndị agha Union n'okpuru William Rosecrans gbara gburugburu. Mgbe izu ole na ole nke agụụ gasịrị, ndị enyemaka Union malitere ịbịarute n'ógbè ahụ. Ndị agha atọ nke Joseph Hooker duziri jisiri ike mepee ụzọ maka ndị agha ahụ tọrọ atọ na Agha Wauhatchie. N'oge ahụ, ndị 18th U.S. Regiment nọ na-akwado Hooker n'agha nke Lookout Mountain.
Ọ dị mma. N'echi ya mgbe agha nke Missionary Ridge gasịrị, e nyere Knight, onye ọnọdụ ahụike ya maara nke ọma, iwu ka ọ gaa Detroit maka ọrụ dịka onye enyemaka nke onye isi ndị isi nke Michigan. N'oge a, a họpụtara ya ka ọ bụrụ Colonel nke 1st Delaware Cavalry site n'aka Gọvanọ William Cannon, mana enweghị ike ịrụ ọrụ a.