Army of the Ohio
The regiment was attached to Thomas' Command, Camp Dick Robinson, Kentucky, to November 1861. 12th Brigade, Army of the Ohio, to December 1861. 12th Brigade, 1st Division, Army of the Ohio, to January 1862. 1st Brigade, 1st Division, Army of the Ohio, to September 1862. 1st Brigade, 1st Division, III Corps, Army of the Ohio, to November 1862. 1st Brigade, 3rd Division, Center, XIV Corps, Army of the Cumberland, to January 1863. 1st Brigade, 3rd Division, XIV Corps, to July 1865.