United States Army


< to January • February 1863 • to March >

Commanded by Major General Robert C. Schenck

Defenses Upper Potomac Brigadier General Benjamin F. Kelly
Harpers Ferry Brigade Brigadier General J. R. Kenly
1st Maryland Infantry Regiment Colonel Nathan T. DuShane
4th Maryland Infantry Regiment Colonel William J.L. Nicodemus
6th Maryland Infantry Regiment Colonel George R. Howard to 2nd Div., 3rd Brig. (below)
7th Maryland Infantry Regiment Colonel Edwin H. Webster
8th Maryland Infantry Regiment Colonel Andrew W. Denison
17th Indiana Battery
4th Maine Independent Battery
Baltimore (MD) Battery
4th Massachusetts Heavy Artillery
Companies B,C,H&I
to 2nd Div., 3rd Brig. (below)
6th New York Heavy Artillery Colonel William H. Morris
1st Maryland Cavalry Cos. H&I
14th Pennsylvania Cavalry Regiment
Martinsburg Brigade Colonel A. T. McReynolds
2nd Maryland Potomac Home Brig./B&F
106th New York Infantry Regiment Colonel Edward C. James
126th Ohio Infantry Regiment Colonel Benjamin F. Smith
6th West Virginia Infantry Regiment Colonel Nathan Wilkinson
Unbrigaded Units posted to:
2nd Maryland Potomac Home Bde. Cumberland
12th Pennsylvania Cavalry Regiment Kearneysville
23rd Illinois Infantry Regiment New Creek, Virginia
11th West Virginia Infantry Regiment New Creek, Virginia
14th West Virginia Infantry Regiment New Creek, Virginia
54th Pennsylvania Infantry Regiment North Mountain
1st West Virginia Infantry Regiment Colonel Joseph Thoburn North Mountain
11th West Virginia Infantry Regiment Lieutenant Colonel Daniel Frost Parkersburg
5th Maryland Infantry Regiment Point of Rocks
Loudon Va. Rangers Point of Rocks
123rd Ohio Infantry Regiment Colonel Archibald L. McDougal Romney
Ringgold Pennsylvania Cavalry Romney
West Virginia Artillery, Battery E Romney
15th West Virginia Infantry Regiment Colonel Maxwell McCaslin St. John’s Run
Washington Co. Pennsylvania Cavalry Springfield
Second (Milroy’s) Division at Winchester
Brigadier General Robert H. Milroy redesignated Second Division
First Brigade Brigadier General W. L. Elliott
110th Ohio Infantry Regiment Colonel Joseph W. Keifer
116th Ohio Infantry Regiment Colonel Edward P. Chapin
122nd Ohio Infantry Regiment Colonel William H. Ball
123rd Ohio Infantry Regiment Colonel William H. Ball
1st New York Cavalry Regiment Colonel Andrew T. McReyolds
12th Pennsylvania Cavalry Regiment
13th Pennsylvania Cavalry Regiment
West Virginia Artillery, Battery D
Second Brigade Brigadier General A. Cluserette (to 2/12)
Colonel George Hays
87th Pennsylvania Infantry Regiment
9th West Virginia Infantry Regiment Colonel Isaac H. Duval
10th West Virginia Infantry Regiment Colonel Thomas M. Harris
12th West Virginia Infantry Regiment Colonel John B. Klunk
1st West Virginia Cavalry Company K
3rd West Virginia Cavalry Company D
West Virginia Artillery, Battery B
5th United States Artillery, Battery L
Third Brigade Colonel John F. Staunton
6th Maryland Infantry Regiment Colonel John W. Horn
67th Pennsylvania Infantry Regiment Colonel John F. Staunton from Annapolis
Baltimore (MD) Battery
First Separate Brigade Brigadier General Henry H. Lockwood (to 2/4)
Colonel S. A. Graham (to 2/4)
Brigadier General Henry H. Lockwood
1st Delaware Cavalry (4 Cos.) at Wilmington DE
1st Maryland Eastern Shore Regiment Colonel James Wallace
1st Maryland Potomac Home Brigade
2nd Maryland Eastern Shore Regiment Colonel Robert S. Rogers
Purnell Legion Cavalry (Md) Co. A Captain Robert E. Duvall
Purnell Legion Cavalry (Md) Co. C
Smith’s Maryland Cavalry Company Captain G.W.P. Smith
11th New York Cavalry (3 Cos.)
Second Separate Brigade  Colonel William H. Morris
1st Connecticut Cavalry Regiment
18th Connecticut Infantry Regiment Colonel William G. Ely
3rd Delaware Infantry Regiment Colonel Samuel H. Jenkins to 3rd Separate Brig. (below)
Patapsco Maryland Guards At Harrisburg and Carlisle, PA
Purnell Legion Cavalry (MD) Co B
Purnell Legion Infantry (MD) Cos. B & C Colonel Samuel A. Graham to 3rd Separate Brig. (below)
14th New Jersey Infantry Regiment Colonel William S. Truex to 3rd Separate Brig. (below)
5th New York Heavy Artillery Colonel Samuel Graham
8th New York Heavy Artillery
Colonel Peter A. Porter
150th New York Infantry Regiment Colonel John H. Ketcham to 3rd Separate Brig. (below)
151st New York Infantry Regiment Colonel William Emerson to 3rd Separate Brig. (below)
138th Pennsylvania Infantry Regiment Colonel Charles L.K. Sumwalt to 3rd Separate Brig. (below)
179th Pennsylvania Infantry Regiment Colonel William H. Blair
2nd United States Artillery, Battery I at Fort McHenry
5th United States Artillery, Battery L to 3rd Separate Brig. (below)
Third Separate Brigade Brigadier General H. S. Briggs created 2/14
3rd Delaware Infantry Regiment from 2nd Separate Brig. (above)
Purnell Legion Infantry (MD) from 2nd Separate Brig. (above)
14th New Jersey Infantry Regiment Colonel William S. Truex from 2nd Separate Brig. (above)
150th New York Infantry Regiment Colonel John H. Ketcham from 2nd Separate Brig. (above)
151st New York Infantry Regiment Colonel William Emerson from 2nd Separate Brig. (above)
138th Pennsylvania Infantry Regiment Colonel Charles L.K. Sumwalt from 2nd Separate Brig. (above)
5th United States Artillery, Battery L from 2nd Separate Brig. (above)
Annapolis
3rd Maryland Potomac Home Brig. Colonel Stephen W. Downey
Purnell Legion Cavalry (Md) Co. B
67th Pennsylvania Infantry Regiment Colonel John F. Staunton to 3 Brig. 2 Div.