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Commanded by Major General George Meade
Two of the three divisions of the Cavalry Corps were sent to the Army of the Shenandoah on August 8, 1864.
| Headquarters | ||
| Second Corps | Major General Winfield S. Hancock |
|
| 1st Division | Brigadier General Nelson Miles | |
| 2nd Division | Colonel T. A. Smythe (to 8/22) Major General John Gibbon |
|
| 3rd Division | Brigadier General Gershom Mott | |
| Fifth Corps | Major General Gouverneur K. Warren | |
| 1st Division | Brigadier General Joseph J. Bartlett (to 8/9) Brigadier General Charles Griffin |
|
| 2nd Division | Brigadier General Romeyn B. Ayres | |
| 3rd Division | Brigadier General Samuel W. Crawford | |
| 4th Division | Brigadier General Lysander Cutler (w 8/21) | discontinued 8/24 |
| Ninth Corps | Major General Ambrose E. Burnside (to 8/14) Major General John G. Parke |
|
| 1st Division | Brigadier General James Ledlie (to 8/6) Brigadier General Julius White (to 8/28) Brigadier General John Hartranft |
|
| 2nd Division | Brigadier General R. B. Potter | |
| 3rd Division | Brigadier General Orlando B. Wilcox | |
| 4th Division | Brigadier General Edward Ferrero | |
| Cavalry Corps | Major General Philip H. Sheridan (to 8/2) Brigadier General David McM. Gregg (to 8/6) |
Two divisions sent to the Army of the Shenandoah on 8/8. |
| 1st Division | Brigadier General A. T. A. Torbert | to Army of the Shenandoah 8/6 |
| 2nd Division | Brigadier General David McM. Gregg (^ 8/2) Colonel John I. Gregg (to 8/6) Brigadier General David McM. Gregg |
|
| 3rd Division | Brigadier General James H. Wilson | to Army of the Shenandoah 8/6 |