Army of Georgia
The regiment was attached to 21st Brigade, Army of the Ohio, January 1862. 21st 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, 21st Division, XXI Corps, Army of the Cumberland, to October 1863. 2nd Brigade, 2nd Division, IV Corps, Army of the Cumberland, to April 1864. Unattached Pontooneers, Army of the Cumberland and Army of Georgia, until July 1865.