The regiment was attached to 2nd Brigade, 2nd Division, Army of Kentucky, Department of the Ohio, to October 1862.
1st Brigade, Right Wing, XIII Corps, Department of the Tennessee, to December 1862.
1st Brigade, 1st Division, Sherman's Yazoo Expedition, to January 1862.
1st Brigade, 10th Division, XIII Corps, Army of the Tennessee, to August 1863.
3rd Brigade, 3rd Division, XIX Corps, Department of the Gulf, to December 1864.
U.S. forces, mouth of White River, Reserve Corps, Military Division West Mississippi, to February 1865.
The 96th OVI mustered out of service at Mobile, Alabama, on July 7, 1865.
Assault and capture of Fort Hindman, Arkansas Post, January 10–11.
Movement on Bruinsburg, Mississippi and turning Grand Gulf April 25–30.
Duty at Du Crow's Point, Texas, until March 1864.
Skirmish at Bayou de Paul, Carroll's Mills, April 8.
Moved to Algiers July 20, then to Dauphin Island, Ala. Operations in Mobile Bay against Forts Gaines and Morgan August 2–23.
Moved to mouth of White River November 1, and duty there until February 4, 1865.