Martin's-Howell's Battery was organized in May, 1862, with 125 officers and men. The unit served on the Georgia coast, then moved to Mississippi where it was engaged at Jackson. Later it was assigned to J. Palmer's and R. Martin's Battalion of Artillery, and took an active part in the campaigns of the Army of Tennessee from Chickamauga to Bentonville. This company reported 7 casualties at Chickamauga, had 77 present in April, 1864, but only a handful surrendered in April, 1865. Its captains were Evan P. Howell and Robert Martin.