Moved to Indianapolis, Indiana then to Clarksburg, Virginia, July 1–6. Western Virginia Campaign July 6–17, including the Battle of Rich Mountain on July 11. Duty in Elkwater Valley, Virginia, July to November 1861. Operations on Cheat Mountain September 11–17. Elkwater September 11. Battle of Cheat Mountain September 12. Battle of Greenbrier River October 3–4. Ordered to Louisville November 19. Duty at Bardstown and Lebanon, Kentucky, until February 1862. Marched to Nashville, Tennessee, February 17-March 13, and to Savannah, Tennessee, March 21-April 6. Battle of Shiloh April 6–7. Advance on and Siege of Corinth, April 29-May 30. Pursuit to Booneville May 30-June 12. Buell's Campaign in northern Alabama and middle Tennessee June to August. March to Louisville, Kentucky, in pursuit of Bragg August 21-September 26. Pursuit of Bragg into Kentucky October 1–22. Battle of Perryville, October 8 (reserve). March to Nashville, Tennessee, October 22-November 7, and duty there until December 26. Lavergne December 11. Advance on Murfreesboro December 26–30. Battle of Stones River December 30–31, 1862 and January 1–3, 1863. Duty at Murfreesboro until June. Reconnaissance to Nolensville and Versailles January 13–15. Tullahoma Campaign June 23-July 7. Camp at Pelham until August 17. Passage of the Cumberland Mountains and Tennessee River and Chickamauga Campaign August 17-September 22. Occupation of Chattanooga September 9, and assigned to duty there as garrison. Siege of Chattanooga, September 24-November 23. Chattanooga-Ringgold Campaign November 23–27. Orchard Knob November 23–24. Battle of Missionary Ridge November 25. Pursuit to Graysville November 26–27. March to relief of Knoxville, November 28-December 8. Duty at Knoxville and vicinity until February 1864. Ordered to Chattanooga, and garrison duty there until June.