U.S. Army - Army of the Potomac / Defences of Washington

Sixth Army Corps

Major General Horatio Wright

First Division

Brigadier General D. A. Russell

First Brigade

Colonel W. H. Penrose

Second Brigade

Colonel Emory Upton

Third Brigade

Lt. Colonel Gideon Clark (until 7/8)

Fourth Brigade

Colonel Joseph E. Hamblin

discontinued 7/6

Second Division

Brigadier General G. W. Getty

First Brigade

Bde. Gen. Frank Wheaton

Second Brigade

Colonel Lewis A. Grant

Third Brigade

Bde. Gen. Thomas H. Neill

Fourth Brigade

Colonel O. Edwards

discontinued 7/6

Third Division

Bde. Gen. J. B. Ricketts

First Brigade

Colonel William S. Truex

Second Brigade

Colonel B. F. Smith

Artillery

4th Maine Independent Battery

to Army of the Potomac Artilery Reserve

5th Maine Independent Battery

1st Massachusets Independent Battery

1st New Jersey Artillery, Battery A

to Army of the Potomac Artilery Reserve

1st New York Independent Battery

3rd New York Independent Battery

to Army of the Potomac Artilery Reserve

1st Ohio Artillery, Battery H

to Army of the Potomac Artilery Reserve

1st Rhode Island Artillery, Battery C

1st Rhode Island Artillery, Battery E

...

to Army of the Potomac Artilery Reserve

1st Rhode Island Artillery, Battery G

2nd United States Artillery, Battery G

5nd United States Artillery, Battery E

to Army of the Potomac Artilery Reserve

5nd United States Artillery, Battery M