28th Artillery Battalion was organized at Savannah, Georgia, during the summer of 1863 with nine companies, later reduced to seven. All of its companies had seen prior heavy artillery service. It was assigned to the Department of South Carolina, Georgia, and Florida, and took an active part in the fight at Olustee. In the spring of 1864 the unit was sent north as infantry. Companies F and H were assigned to Finegan's Brigade, Army of Northern Virginia, and five companies to Elliot's, then J.C. Fiser's Brigade, Army of Tennessee. Companies F and H were involved in the Petersburg siege south of the James River and the Appomattox Campaign and surrendered with no officers and 7 men. The other five companies served at Savannah and in the North Carolina Campaign. They surrendered on April 26, 1865. Major A. Bonaud was in command.