Army of the Ohio
The regiment was attached to 8th Brigade, Army of the Ohio to December 1861. 8th Brigade, 3rd Division, Army of the Ohio, to July 1862. Unattached, Railroad Guard, Army of the Ohio, to September 1862. 29th Brigade, 8th Division, Army of the Ohio, to November 1862. 2nd Brigade, 2nd Division, Center, XIV Corps, Army of the Cumberland, to January 1863. 2nd Brigade, 2nd Division, XIV Corps, to October 1863. 2nd Brigade, 1st Division, XIV Corps, to November 1863. Engineer Brigade, Department of the Cumberland, to November 1864.