They then served in North Carolina until May 1863 when the regiment was ordered to Vicksburg, Mississippi, as a part of General John C. Breckinridge’s division under Joe Johnston. The regiment saw action at the Siege of Jackson. Three months later, in August, they were sent to serve with General Braxton Bragg in the Army of Tennessee, fighting in such battles as Kennesaw Mountain, Resaca, Missionary Ridge and Chickamauga before returning to the East to defend Savannah, Georgia.