Gustavus Woodson Smith a major general on September 19, he served in Northern Virginia as a divisional and "wing" commander, and fought in the Battle of Seven Pines near Richmond during the Peninsula Campaign. On May 31, 1862, Smith briefly took command of the Army of Northern Virginia after Gen. Joseph E. Johnston was wounded at Seven Pines, due to his being the senior major general in Johnston's army. However, Jefferson Davis replaced him with Robert E. Lee the following day, June 1. On June 2, Smith became ill and took a leave of absence to recuperate. In late August, Smith returned and
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