United States Armies in the East > Department of the Rappahannock
< to April • May 1862 • to June >
Commanded by Major General Irvin McDowell
| First Division | Brigadier General W. B. Franklin | |
| 1st Brigade | Brig. Gen. P. Kearney | to 1 Div. 6 Corps, Army of the Potomac |
| 2nd Brigade | Brig. Gen. H. W. Slocum | |
| 3rd Brigade | Brig. Gen. J. Newton | |
| Second Division | Brigadier General George McCall | |
| 1st Brigade | Brig. Gen. John F. Reynolds | |
| 2nd Brigade | Brig. Gen. George Meade | |
| 3rd Brigade | Brig. Gen. Edward O. C. Ord | |
| Third Division | Brigadier General Rufus King | |
| 1st Brigade | Brig. Gen. C. C. Augur | |
| 2nd Brigade | Brig. Gen. Marsena Patrick | |
| 3rd Brigade | Colonel Lysander Cutler | |
| Ord’s Division | Brigadier General Edward O. C. Ord | |
| 1st Brigade | Brig. Gen. J. B. Ricketts | from Defenses of Washington |
| 2nd Brigade | Brig. Gen. Abram Duryea | |
| 3rd Brigade | Brig. Gen. G. L. Hartsuff | |
| Shields’ Division | Brigadier General James Shields | |
| 1st Brigade | Brig. Gen. Nathan Kimball | from Dept. Shenandoah, 2nd Div. |
| 2nd Brigade | Brig. Gen. O. S. Ferry | |
| 3rd Brigade | Brig. Gen. Erastus B. Tyler | |
| 4th Brigade | Brig. Gen. Samuel S. Carroll | |
| Doubleday’s Brigade | Brigadier General Abner Doubleday | |
| 76th New York Infantry Regiment | Colonel Nelson W. Green | from Wadsworth’s Command, Military District of Washington |
| 95th New York Infantry Regiment | Colonel George H. Biddle | |
| 56th Pennsylvania Infantry Regiment | Colonel Sullivan A. Meredith | |
| Geary’s Brigade | Brigadier General John W. Geary | |
| 28th Pennsylvania Infantry Regiment | from Dept. Shenandoah | |
| 3rd Indiana Cavalry Regiment | from Middle Dept. | |
| 1st West Virginia Cavalry | from Dept. Shenandoah | |
| Pennsylvania Independent Battery E | from Dept. Shenandoah | |
| Bayard’s Cavalry Brigade | Brigadier General George D. Bayard | |
| 1st Maine Cavalry (7 cos.) | Lt. Colonel Calvin R. Douty | from Dept. Shenandoah, Hatch’s Cav. |
| 1st New Jersey Cavalry Regiment | Colonel Andrew T. McReynolds | from Mil. Dist. Washington |
| 1st Pennsylvania Cavalry | Colonel Owen Jones | from Potomac, 1 Corps |
| 1st Pennsylvania Rifle Battalion | Lt. Colonel Thomas L. Kane | from McCall’s Div. |
| Military District of Washington | Brig. Gen. James Wadsworth | |