U.S. Army - Army of the Potomac

Dix's Division, Baltimore

Major General John Dix

Infantry

2nd Delaware Infantry Regiment

Colonel W. H. Wharton

21st Indiana Infantry Regiment

Colonel James W. McMillan

to Butler's New Orleans Expedition 2/19

2nd Maryland Infantry Regiment

Colonel John Sommer

2nd Maryland Eastern Shore Regiment

Colonel Edward Wilkins

3rd Maryland Infantry Regiment

Colonel John C. McConnell

5th Maryland Infantry Regiment

Colonel William L. Schley

Baltimore Maryland Light Guard

Patapsco Maryland Guard

Purnell Legion (Maryland)

17th Massachusetts Infantry Regiment

Colonel Thomas I.C. Amory

6th Michigan Infantry Regiment

Colonel Frederick W. Curtenius

to Butler's New Orleans Expedition 2/22

3rd New York Infantry Regiment

Colonel Samuel M. Alford

4th New York Infantry Regiment

Colonel Alfred W. Taylor

5th New York Infantry Regiment

Colonel Gouverneur K. Warren

60th New York Infantry Regiment

Colonel George S. Greene

11th Pennsylvania Infantry Regiment

Colonel Richard Coulter

87th Pennsylvania Infantry Regiment

Colonel George Hay

Cavalry

1st Maryland Cavalry Regiment

Colonel Andrew G. Miller

5th New York Cavalry Regiment

Colonel Othneil DeForest

Artillery

Battery A, Maryland Light Artillery

Battery B, Maryland Light Artillery

Battery L, 1st New Yotk Light Artillery

Battery I, 2nd United States Artillery

at Fort McHenry, April 1861