Guard duty along Louisville & Nashville Railroad (headquarters at Gallatin, Tenn.) until July 1864. Expedition from Gallatin to Carthage October 10–14, 1863 (detachment). Near Hartsville October 10 (detachment). Expedition from Gallatin to Cumberland Mountains January 28-February 8. Winchester May 10 (detachment). Relieved from garrison duty July 1864, and ordered to join Sherman's Army before Atlanta, Ga. Atlanta Campaign July 31-September 8. Siege of Atlanta July 31-August 25. Flank movement on Jonesboro August 25–30. Battle of Jonesboro August 31-September 1. Operations against Hood in northern Georgia and northern Alabama September 29-November 3. At Athens, Ga., October 31-November 23. March to Columbia, Tenn., November 23–24. Nashville Campaign November–December. Columbia, Duck River, November 24–27. Battle of Franklin November 30. Battle of Nashville December 15–16. Pursuit of Hood to the Tennessee River December 17–28. Moved to Huntsville, Ala., and duty there until March 1865. Operations in eastern Tennessee March 15-April 22. Duty at Strawberry Plains and Nashville until June. Ordered to New Orleans, La., June 16, thence moved to Texas. Duty at San Antonio until November. The regiment lost a total of 206 men during service; 3 officers and 66 enlisted men killed or mortally wounded, 5 officers and 132 enlisted men died of disease.