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
Second Corps, Army of Northern Virginia what became the Second Corps from the end of the Seven Days Campaign on July 13, 1862, until his death after the Battle of Chancellorsville in May 1863. Jackson's official promotion to lieutenant general was made on October 10, 1862, and "Jackson's Corps" began going by the title Second Corp about 6 November. Jackson simultaneously commanded the "Valley District" of the Department of Northern Virginia, and operated his corps near Winchester, Virginia, guarding the lower Shenandoah Valley when not fully needed by Lee to be close at hand to the main army. Jackson commanded the corps at the Battle of