< to April • May 1862 • to June >
Commanded by Brigadier General Alpheus S. Williams
| First Brigade | Colonel Dudley Donnelly (until 5/27) Brig. Gen. Samuel W. Crawford |
|
| 5th Connecticut Infantry Regiment | Colonel George D. Chapman | |
| 10th Maine Infantry Regiment | Colonel George L. Beal | |
| 1st Maryland Infantry Regiment | Colonel John R. Kenly | |
| 28th New York Infantry Regiment | Lt. Colonel Edwin Brown (to 5/27) Colonel Dudley Donnelly |
|
| 28th Pennsylvania Infantry Regiment | Colonel John Geary | |
| 46th Pennsylvania Infantry Regiment | Colonel Joseph F. Knipe | |
| Second Brigade | Brigadier General George Hartsuff | |
| 12th Indiana Infantry Regiment | Colonel Samuel H. Leonard | to 3rd Brig., Ord’s Div., Dept. Rappahannock 5/10 |
| 16th Indiana Infantry Regiment | ||
| 12th Massachusetts Infantry Regiment | Colonel Fletcher Webster | |
| 13th Massachusetts Infantry Regiment | Colonel Mason Tappan | |
| Third Brigade | Colonel George Gordon (to 5/27) Brig. Gen. George S. Greene |
|
| 27th Indiana Infantry Regiment | Colonel Silas Colgrove | |
| 2nd Massachusetts Infantry Regiment | Colonel George H. Gordon | |
| 9th New York State Militia Regiment | Colonel John W. Stiles | to Rappahannock, Ord’s Div. 3 Brig. |
| 29th Pennsylvania Infantry Regiment | Colonel John K. Murphy (c) Captain Samuel M. Zulich |
|
| 3rd Wisconsin Infantry Regiment | Captain Thomas H. Ruger | |
| Artillery and Cavalry | ||
| Battery M, 1st New York Artillery | Lieutenant James H. Peabody | |
| Battery F, 1st Pennsylvania Artillery | Lieutenant J. Presley Fleming | |
| Pennsylvania Independent Battery F | Lieutenant Charles A. Atwell | |
| Battery F, 4th United States Artillery | Lieutenant Franklin B. Crosby | |