United States Army > Army of the Potomac
< to April • May 1864 • to June >
Commanded by Major General Winfield S. Hancock
| First Division | Brigadier General Francis Barlow |
|
| 1st Brigade | Colonel Nelson A. Miles (to BG 5/12) | |
| 2nd Brigade | Colonel T. A. Smythe (to 5/17) Colonel R. Byrnes |
|
| 3rd Brigade | Colonel Paul Frank (to 5/10) Colonel H. L. Brown (to 5/12) Colonel C. D. McDougal |
|
| 4th Brigade | Colonel John R. Brooke | |
| Second Division | Major General John Gibbon |
|
| 1st Brigade | Brigadier General Alexander Webb (to 5/12) Colonel H. B. McKean |
|
| 2nd Brigade | Brigadier General Joshua T. Owen | |
| 3rd Brigade | Colonel Samuel S. Carroll (to 5/13) Colonel Theodore G. Ellis (to 5/17) Colonel Thomas A. Smythe |
|
| 4th Brigade | Colonel M. Murphy (to 5/18) Colonel J. P. McIvor (to 5/29) Brigadier General Robert O. Tyler |
created 5/9 |
| Third Division | Major General David B. Birney |
|
| 1st Brigade | Brigadier General J. H. H. Ward (to 5/12) Colonel T. W. Egan |
|
| 2nd Brigade | Brigadier General Alexander Hays (to 5/5) Colonel John S. Crocker (to 5/18) Colonel Elijah Walker (to 5/23) Colonel Byron R. Pierce (to 5/29) Colonel Thomas R. Tannatt |
|
| 3rd Brigade | Brigadier General Gershom Mott (to 5/2) Colonel Robert McAllister |
recreated 5/13 |
| 4th Brigade | Colonel William R. Brewster | created 5/13 |
| Fourth Division | Brigadier General John B. Carr (to 5/2) Brigadier General Gershom Mott |
|
| 1st Brigade | Brigadier General Gershom Mott | to 3 Brig., 3 Div. 5/13 (above) |
| 2nd Brigade | Colonel William R. Brewster | to 4 Brig., 3 Div. 5/13 (above) |
| Tyler’s Heavy Artillery Division | Brigadier General Robert O. Tyler (to 5/29) | from Defences Washington, 5/15 |
| 1st Maine Heavy Artillery | Colonel Daniel Chaplin | to 3 Div., 3 Brig. 5/24 |
| 1st Massachusetts Heavy Artillery | Colonel Thomas R. Tannatt | to 3 Div., 2 Brig. |
| 2nd New York Heavy Artillery | to 1 Div., 1 Brig. | |
| 7th New York Heavy Artillery | to 1 Div., 4 Brig. | |
| 8th New York Heavy Artillery | to 2 Div., 4 Brig. | |
| Artillery Brigade | Colonel John C. Tidball | |
| 6th Maine Indpendent Battery | Captain Edwin B. Dow | |
| 10th Massachusetts Battery | Captain J. Henry Sleeper | |
| 1st New Hampshire Battery | Captain Frederick M. Edgell | |
| 1st New Jersey Artillery, Battery B | from Artillery Reserve, 2nd Brig. | |
| 1st New York Artillery, Battery G | Captain Nelson Ames | |
| 4th New York Heavy Artillery, 3rd Battalion | Lieutenant Colonel Thomas Alcock | |
| 4th New York Heavy Artillery, Co. D | from 5th Corps Artillery | |
| 11th New York Independent Battery | from Artillery Reserve, 3rd Brig. | |
| 12th New York Independent Battery | from Artillery Reserve, 2nd Brig. | |
| 1st Pennsylvania Artillery, Battery F | Captain Bruce Ricketts | |
| 1st Rhode Island Artillery, Battery A | Captain William A. Arnold | |
| 1st Rhode Island Artillery, Battery B | Lieutenant Fred T. Brown | |
| 4th United States Artillery, Battery K | Lieutenant John W. Roder | |
| 5th United States Artillery, Batteries C&K | Lieutenant James Gilliss | |