Recruited in Branch County, Battery G had an enrollment of 145 officers and men when it left for Kentucky one month later. During the course of the war, Battery G saw action at Chickasaw Bayou, Champion Hill, the siege of Vicksburg and Mobile, Alabama. The battery, which was mustered out of federal service on August 6, 1865, carried on its rolls 318 men. It suffered losses of 2 men killed in combat and 41 men, who died from disease.