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:
Troop engagements of the American Civil War, 1862 was transported to Fort Monroe in April to begin an offensive against Richmond, Virginia. Convinced that he was outnumbered by the Confederate Army of Northern Virginia, commanded by General Joseph E. Johnston, McClellan advanced cautiously, taking nearly a month to capture the Confederate defensive works near Yorktown and an additional month to march westward and arrive just outside Richmond. Here on May 31, Johnston attacked an isolated portion of the Union army in the Battle of Seven Pines; Johnston's plan failed, due to uncoordinated attacks and to Confederate columns which failed to arrive at their assigned positions, and Johnston was