Army of the Ohio
The regiment was attached to Thomas' Command to November 1861. 11th Brigade, Army of the Ohio, to December 1861. Unattached, London, Kentucky, Army of the Ohio, to March 1862. 15th Brigade, 4th Division, Army of the Ohio, March 1862. 20th Brigade, 6th Division, Army of the Ohio, March 1862. 15th Brigade, 6th Division, Army of the Ohio, to September 1862. 15th Brigade, 6th Division, II Corps, Army of the Ohio, to November 1862. 1st Brigade, 1st Division, Left Wing, XIV Corps, Army of the Cumberland, to January 1863. 1st Brigade, 1st Division, XXI Corps, Army of the Cumberland, to April 1863. 3rd Brigade, 1st Division, XXI Corps, to October 1863. 3rd Brigade, 2nd Division, IV Corps, to January 1865.