< 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