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

Second Division

Brigadier General H. H. Lockwood (until 6/2)

Brigadier General Samuel W. Crawford (6/2 - 6/5)

Brigadier General Romeyn B. Ayres (after 6/5)

First Brigade (until 6/5)

Colonel Peter Lyle (until 6/5)

16th Maine Infantry Regiment

transferred to 3rd Div., 1st Bde. 6/5

13th Massachusetts Infantry Regiment

39th Massachusetts Infantry Regiment

104th New York Infantry Regiment

90th Pennsylvania Infantry Regiment

94th Pennsylvania Infantry Regiment

107th Pennsylvania Infantry Regiment

First Brigade (reorganized 6/5)

Bde. Gen. Romeyn B. Ayres (6/5)

Colonel E. M. Gregory (6/6 - 6/20)

Bde. Gen. Joseph Hayes (after 6/20)

reorganized 6/5 from 1st Bde., 1st Div.

5th New York Veteran Infantry

140th New York Infantry Regiment

mustered out 6/3

146th New York Infantry Regiment

91st Pennsylvania Infantry Regiment

to 2nd Bde. (see below)

155th Pennsylvania Infantry Regiment

to 2nd Bde. (see below)

2nd United States Infantry Regiment

4th United States Infantry Regiment

to Army Headquarters

10th United States Infantry Regiment

11th United States Infantry Regiment

12th United States Infantry Regiment

14th United States Infantry Regiment

17th United States Infantry Regiment

Second Brigade (until 6/5)

Col. James L. Bates (until 6/5)

12th Massachusetts Infantry Regiment

transferred to 3rd Div., 2nd Bde. 6/5

83rd New York Infantry Regiment

97th New York Infantry Regiment

11th Pennsylvania Infantry Regiment

88th Pennsylvania Infantry Regiment

Second Brigade reorganized

Colonel N. T. DuShane (after 6/5)

1st Maryland Infantry Regiment

redesignated from 3rd Bde. (see below)

4th Maryland Infantry Regiment

redesignated from 3rd Bde. (see below)

7th Maryland Infantry Regiment

redesignated from 3rd Bde. (see below)

8th Maryland Infantry Regiment

redesignated from 3rd Bde. (see below)

Purnell Maryland Legion

redesignated from 3rd Bde. (see below)

91st Pennsylvania Infantry Regiment

from 1st Bde. (see above)

to 1st Div. 2nd Bde.

155th Pennsylvania Infantry Regiment

from 1st Bde. (see above)

to 1st Div. 2nd Bde.

Third Brigade (until 6/5)

Colonel N. T. DuShane (until 6/5)

1st Maryland Infantry Regiment

redesignated 2nd Bde. 6/5 (see above)

4th Maryland Infantry Regiment

7th Maryland Infantry Regiment

8th Maryland Infantry Regiment

Purnell Maryland Legion

Third Brigade (reorganized)

Colonel J. H. Kitching (after 6/5)

6th New York Heavy Artillery

transferred from Kitchings Bde.

15th New York Heavy Artillery