U.S. Army - Army of the Potomac

Porter's Division

Brigadier General Fitz John Porter

Division assigned as First Division, Third Army Corps March 3 1862

First Brigade

Bde. Gen. G. W. Morrell

4th Michigan Infantry Regiment

Colonel Dwight A. Woodbury

9th Massachusetts Infantry Regiment

Colonel Thomas Cass

14th New York Infantry Regiment

Colonel James McQuade

62nd Pennsylvania Infantry Regiment

Colonel Samuel W. Black

Second Brigade

Bde. Gen. J. H. Martindale

2nd Maine Infantry Regiment

Colonel Charles W. Roberts

18th Massachusetts Infantry Regiment

Colonel James Barnes

22nd Massachusetts Infantry Regiment

Colonel Jesse A. Grove

13th New York Infantry Regiment

Colonel John Pickell

Third Brigade

Bde. Gen. D. Butterfield

16th Michigan Infantry Regiment

Colonel Thomas Stockton

12th New York Infantry Regiment

Colonel Henry A. Weeks

from Wadsworth's Bde. McDowell's Div. 3/13

17th New York Infantry Regiment

Colonel H. Seymour Lansing

25th New York Infantry Regiment

Lt. Colonel Charles Johnson

44th New York Infantry Regiment

Colonel Stephen W. Stryker

83rd Pennsylvania Infantry Regiment

Colonel John W. McLane

Artillery

3rd Massachusetts Battery

5th Massachusetts Battery

Batery E, 2nd United States Artillery

Cavalry

3rd Pennsylvania Cavalry Regiment

Colonel William W. Averell

8th Pennsylvania Cavalry Regiment

Colonel David McM. Gregg