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 in the first six months from about 46,380 to 62,230 soldiers. The army was assigned in July to the Defense District of North Carolina and Richmond. In the course of the Richmond-Petersburg Campaign the number of soldiers temporarily grew to 82,633 while parts of the Army were under the command by Lieutenant General Early in Shenandoah Valley. In 1864 the Army of Northern Virginia fought against the more than twice as strong Potomac-, James- and Shenandoah Army in Grant's Overland Campaign, Early's Raid against the Baltimore and Ohio Railroad, the Richmond-Petersburg Campaign, and Shenandoah Campaign in the Shenandoah Valley. The