U.S. Army

Army of Virginia

Major General John Pope

First Corps

Brigadier General Robert C. Schenck

First Division

Bde. Gen. Robert C. Schenck (until 8/30)

Bde. Gen. Julius Stahel (after 8/30)

Second Division

Bde. Gen. A. Von Steinwehr

Third Division

Bde. Gen. Carl Schurz

Milroy's Independent Brigade

Brigadier General R. Milroy

Cavalry Brigade

Colonel John Beardsley

Second Corps

Major General Nathaniel P. Banks

First Division

Brigadier General Alpheus Williams

Second Division

Bde. Gen. C. C. Augur (until 8/9)

Bde. Gen. Henry Prince (c 8/9)

Bde. Gen. George S. Greene (after 8/9)

Cavalry Brigade

Brigadier General John Buford

Third Corps

Major General Irvin McDowell

First Division

Bde. Gen. Rufus King (until 8/28)

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

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

Second Division

Brigadier General John B. Ricketts

Third Division

Brigadier General John F. Reynolds

from Army Potomac, 5th Corps, 8/25

Bayard's Cavalry Brigade

Brigadier General George D. Bayard

3rd Indiana Cavalry Regiment

1st Maine Cavalry Regiment

Colonel Samuel H. Allen

1st New Jersey Cavalry Regiment

Lt. Colonel Joseph Karge

Major Ivins D. Jones

2nd New York Cavalry Regiment

Colonel J. Mansfield Davies

10th New York Cavalry Regiment

1st Pennsylvania Cavalry Regiment

Colonel Owen Jones

13th Pennsylvania Reserves Infantry, Companies C, G, H & I

1st Rhode Island Cavalry Regiment

Colonel ALfred N. Duffie

2nd Maine Battery

3rd Maine Battery (Pontooneers)

4th United States Artillery, Battery E

to Army Potomac, 9th Corps, 2nd Div. Artillery