U.S. Army - Army of Virginia - Third Corps

First Division

Brigadier General Rufus King (until 8/28)

Bde. Gen. J. F. Hatch (8/28 - 8/30)

Bde. Gen. Abner Doubleday (after 8/30)

First Brigade

Bde. Gen. J. P. Hatch (w 8/28)

Colonel Timothy Sullivan (after 8/28)

22nd New York Infantry Regiment

Colonel Walter Phelps

24th New York Infantry Regiment

Colonel Timothy Sullivan

Lt. Colonel Samuel Beardsley (w)

Major Andrew Barney (w)

Captain John D. O'Brien

30th New York Infantry Regiment

Colonel Edward Frisby

84th New York Infantry Regiment

Lt. Colonel Edward B. Fowler (w)

Major W. H. de Bevois

2nd United States Sharpshooters

Colonel Henry A. V. Post

Second Brigade

Bde. Gen. Abner Doubleday (until 8/30)

Colonel J. W. Hoffman (after 8/30)

7th indiana Infantry Regiment

Lt. Colonel John F. Cheek

75th New York Infantry Regiment

Colonel William P. Wainwright

Major Charles Livingstone

95th New York Infantry Regiment

Lt. Colonel James B. Post

56th Pennsylvania Infantry Regiment

Colonel Sullivan A. Meredith (w)

Lt. Colonel J. William Hoffman

Third Brigade

Bde. Gen. Marsena Patrick

21st New York Infantry Regiment

Colonel William F. Rogers

23rd New York Infantry Regiment

Lt. Colonel Nirom M. Crane

35th New York Infantry Regiment

Colonel Newton B. Lord

80th New York Infantry Regiment

Colonel G. W. Pratt (mw)

Lt. Colonel Theodore B. Gates

Fourth Brigade

Bde. Gen. John Gibbon

2nd Wisconsin Infantry Regiment

Colonel Edgar O'Conner (k)

Lt. Colonel Lucius Fairchild

6th Wisconsin Infantry Regiment

Colonel Lysander Cutler (w)

Lt. Colonel Edward S. Bragg

7th Wisconsin Infantry Regiment

Colonel William W. Robinson (w)

Lt. Colonel C. A. Hamilton (w)

19th Indiana Infantry Regiment

Colonel Solomon Meredith