11th Artillery Battalion [also called Sumter Battalion] was organized during the spring of 1862 with five companies, later reduced to three. Sent to Virginia, it served in the Richmond area until September, then fought with the Army of Northern Virginia from the Maryland Campaign to Cold Harbor. The unit was involved in the Petersburg siege south of the James River and saw action in the Appomattox Campaign as infantry. In October, 1862, this unit totalled about 450 effectives, had 384 at Gettysburg, but only 44 present on April 9, 1865. Its commanders were Lieutenant Colonels Allen S. Cutts and John Lane.