Second Corps, Army of Northern Virginia General Gustavus W. Smith. This unit was also known as the Second Division and was eventually subsumed into general Robert E. Lee's Army of Northern Virginia as a reserve in Maj. Gen. D. H. Hill's Division. When Lee was able to reorganize his army after finishing battles with Union Maj. Gen. George B. McClellan on the peninsula, he created this corps under the command of Lieutenant General Jackson, along with a sister corps under Lt. Gen. James Longstreet. Lee's reorganization was based on his evaluation of the performance of his division commanders during the Seven Days Campaign. General Jackson commanded
Army of Northern Virginia only minor. Cooke's Brigade was assigned to serve with Heth's Division, Hampton's Division grew by a cavalry brigade and the Third Corps gained an additional artillery battalion. Imboden's Command remained at Shenandoah Valley and was taken over by Major General Early as the Defense District of Shenandoah Valley. The strength of the army was 54,715 men on December 31. The organization of the Army of Northern Virginia did not change until the end of the war. The Army featured several corps, the corps featured several divisions, and the artillery was divided between the corps. The strength of the Army grew