U.S. Army - Army of the Potomac - Sixth Army Corps

Second Division

Major General W. F. Smith

First Brigade

Bde. Gen. Winfield S. Hancock (until 9/17)

Colonel Amasa Cobb (9/17 - 9/25)

Bde. Gen. C. E. Pratt (after 9/25)

6th Maine Infantry Regiment

Colonel Hiram Burnham

43rd New York Infantry Regiment

Major John WIlson

49th Pennsylvania Infantry Regiment

Lt. Colonel William Brisbane

137th Pennsylvania Infantry Regiment

Colonel Henry M. Bossert

from Defences of Washington

5th Wisconsin Infantry Regiment

Colonel Amasa Cobb

Second Brigade

Brigadier General William T. H. Brooks

2nd Vermont Infantry Regiment

Major James H. Walbridge

3rd Vermont Infantry Regiment

Colonel Breed N. Hyde

4h Vermont Infantry Regiment

Lt.. Colonel Charles B. Stoughton

5th Vermont Infantry Regiment

Colonel Lewis A. Grant

6th Vermont Infantry Regiment

Major Oscar S. Tuttle (to Lt. Colonel 9/19)

Third Brigade

Colonel William H. Irvin

Major Thomas W. Hyde

21st New Jersey Infantry Regiment

from New Jersey 9/18

20th New York Infantry Regiment

Colonel Ernst Von Vegersack

33rd New York Infantry Regiment

Lt. Colonel Joseph W. Corning

Lt. Colonel William C. Alberger (w 9/17)

Major George W. Johnson (after 9/17)

77th New York Infantry Regiment

Captain Nathan S. Babcock

Artilery

Maryland Artillery, Battery B

Lieutenant Theodore J. Vanneman

from 5th Corps, Artillery Reserve, 4th Bde.

1st New York Artillery, Battery E

1st New York Independent Battery

Captain Andrew Cowan

3rd New York Independent Battery

to 4th Corps, 1st Div. Artilery

5th United States Artilery, Battery F

Captain Leonard Martin