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Commanded by Brigadier General James Wadsworth

On June 26 the Military District of Washington became an independent command from the Department of the Rappahannock.

Sturgis’ Brigade Brig. Gen. Samuel Sturgis
9th Rhode Island Infantry Regiment
10th Rhode Island Infantry Regiment
8th Massachusetts Battery from Massachusetts 6/27
59th New York Infantry Regiment Colonel William L. Tidball
71st New York State Militia Colonel Henry P. Martin
63rd Indiana Infantry (4 companies)
19th United States Infantry, 1st Bn.
2nd New York Heavy Artillery, Battery L to Army of Virginia, 2nd Corps Artillery
Whipple’s Brigade Brig. Gen. A. W. Whipple
101st New York Infantry Regiment Colonel Enrico Fardella to 3rd Corps, 3rd Div., 2nd Brig.
1st Massachusetts Heavy Artillery
2nd New York Heavy Artillery Regiment Colonel Gustave Waagner
4th New York Heavy Artillery Regiment Colonel Gustavus A. DeRussy
11th New York Independent Battery
12th New York Independent Battery
1st Wisconsin Heavy Artillery
Infantry
2nd District of Columbia Infantry Regt.
32nd Massachusetts Infantry (6 cos.) Colonel Francis J. Parker to 5 Corps, 1 Div., 1 Brig.
10th New Jersey Infantry Regiment Colonel William R. Murphy
69th New York State Militia Colonel James Bagley
86th New York Infantry Regiment Colonel Benajah P. Bailey
11th Pennsylvania Infantry Regiment Colonel Richard Coulter
91st Pennsylvania Infantry Regiment Colonel Edgar M. Gregory
99th Pennsylvania Infantry Regiment Colonel Thomas W. Sweney to 3 Corps, 3 Div., 3 Brig.
Artillery
16th Indiana Battery from Indianapolis 6/1; to Army Virginia, 2 Corps Artillery
4th Maine Battery to Army Virginia, 2 Corps Artillery
6th Maine Battery to Army Virginia, 2 Corps Artillery
4th New York Heavy Artillery Regiment Colonel Gustavus A. DeRussy to Sturgis’ Brig. (above)
1st New York Artillery, Battery C
9th New York Independent Battery
10th New York Independent Battery to Army Virginia, 2 Corps Artillery
16th New York Independent Battery
1st Ohio Artillery, Battery H from Sheid’s Div. 6/29
2nd Pennsylvania Heavy Artillery
10th Rhode Island Battery
West Virginia Artillery, Battery A from Sheid’s Div.
West Virginia Artillery, Battery B from Sheid’s Div.
Cavalry
1st Michigan Cavalry (6 cos.) to Army Va., 2 Corps, Hatch’s Brig.
6th New York Cavalry Regiment Colonel Thomas C. Devin
9th New York Cavalry Regiment Colonel John Beardsley to Army Va., 1st Corps Cavalry
10th New York Cavalry Regiment Colonel John C. Lemmon
11th New York Cavalry Regiment Colonel James B. Swain
2nd Pennsylvania Cavalry Regiment Colonel Richard B. Price
12th Pennsylvania Cavalry Regiment Colonel Lewis B. Pierce