Army of the Tennessee in preparation for the Vicksburg campaign, where they became part of the 14th Division, XIII Corps under the command of General Carr. Commanders Major General Samuel R. Curtis (December 25, 1861 – August 29, 1862) Major General Frederick Steele (August 29, 1862 – October 7, 1862) Major General Eugene A. Carr (October 7, 1862 – November 12, 1862) Major General Willis A. Gorman (November 12, 1862–December 13, 1862) Also in command of the Dist of Eastern Arkansas from December 3 Major Battles Battle of Pea Ridge (Curtis) Battle of Cotton Plant (Curtis) only units from the 1st Division were engaged Capture of Helena (Curtis) See also Pea Ridge Union order of battle References Civil War Home article adapted from "Photographic History of the Civil War" Southwest, Army of the Arkansas in the American Civil War Military units and formations established in 1861 1861 establishments in the United States