Those added to the Army of the Potomac were IX Corps, XI Corps (Sigel's I Corps in the former Army of Virginia), XII Corps (Banks's II Corps from the Army of Virginia ), added in 1862; and the Cavalry Corps, created in 1863.
De som blev tilføjet til Army of the Potomac var: IX Korps, XI Korps, (Sigels I Korps i den tidligere Army of Virginia), XII Korps (Banks' II Korps i den tidligere Army of Virginia) Disse korps blev tilføjet i 1862; og kavalerikorpset blev oprettet i 1863.