第三次チャタヌーガの戦い
The regiment was then transferred to the west and participated in the Chattanooga Campaign. The 68th fought in the battles of Wauhatchie and Missionary Ridge, assisting in the Union victories there. The regiment marched to relieve the siege of Knoxville, and then spent the last year of the war on occupation duty in Tennessee and Georgia, before being disbanded in November 1865.