Army of Virginia in the Army of the Potomac. They were redesignated as shown for the Maryland Campaign and later. The following corps were attached for operations during the Northern Virginia Campaign: Army of Virginia The Army of Virginia was organized as a major unit of the Union Army and operated briefly and unsuccessfully in 1862 in the American Civil War. It should not be confused with its principal opponent, the Confederate Army of "Northern" Virginia, commanded by Robert E. Lee. The Army of Virginia was constituted on June 26, 1862, by General Orders Number 103, from four existing departments operating around Virginia:
Second Corps, Army of Northern Virginia Fredericksburg and in the subsequent series of engagements along the Rappahannock River. The corps' finest moment came during the Battle of Chancellorsville when Jackson led the famous enveloping left flank attack that routed much of Maj. Gen. Joseph Hooker's Federal Army of the Potomac. However, the subsequent loss of Jackson was devastating to Lee and the Army of Northern Virginia, and is considered to be a turning point for Lee's ability to command the army without occasionally needing to personally see to the details of corps command. From May 2 to May 30, 1863, the Second Corps was commanded temporarily