Army of the Ohio
The regiment was attached to Thomas' Command, Camp Dick Robinson, Kentucky, to December 1861. 1st Division, Army of the Ohio, to March 1862. (5 companies attached to Garfield's 18th Brigade, Army of the Ohio, December 1861 to March 1862.) Unattached, Army of the Ohio, to September 1862. 1st Brigade, Cavalry Division, Army of the Ohio, to November 1862. Post Gallatin, Tennessee, Department of the Cumberland, to April 1863. District of Central Kentucky, Department of the Ohio, to June 1863. 1st Brigade, 1st Division, XXIII Corps, Army of the Ohio, to August 1863. Independent Cavalry Brigade, XXIII Corps, to November 1863. 1st Brigade, 1st Division, Cavalry Corps, Army of the Ohio, to May 1864. Independent Brigade, Cavalry Division, XXIII Corps, to August 1864. 4th Brigade, 1st Division, District of Kentucky, Department of the Ohio, to December 1864. Camp Nelson, Military District of Kentucky, to September 1865.