< to February • March 1863 • to April >
Commanded by:
Major General Robert C. Schenck (to 3/12)
Brevet Brigadier General William W. Morris (to 3/22)
Major General Robert C. Schenck
Defenses Upper Potomac/First Division |
Brigadier General Benjamin F. Kelly | redesignated 3/11 |
| Harpers Ferry Brigade/ First Brigade |
Brigadier General John R. Kenly | redesignated 3/11 |
| 1st Maryland Infantry Regiment | Colonel Nathan T. DuShane | |
| 4th Maryland Infantry Regiment | Colonel William J.L. Nicodemus | |
| 7th Maryland Infantry Regiment | Colonel Edwin H. Webster | |
| 8th Maryland Infantry Regiment | Colonel Andrew W. Denison | |
| 17th Indiana Battery | ||
| 14th Pennsylvania Cavalry Regiment | to 4th Seperate Brig. (below) | |
| Second Brigade | Colonel William H. Morris | created 3/11 |
| 5th Maryland Infantry Regiment | Colonel Louis L. Schley | from Point of Rocks |
| 4th Maine Independent Battery | from Harpers Ferry Brig. | |
| 50th New York Engineers Co. G | ||
| Gaskell’s Pennsylvania Engineer Co. | ||
| 1st Massachusetts Heavy Artillery Companies B,C,H&I |
from Dis. Alexandria, 22 Corps | |
| 6th New York Heavy Artillery | Colonel J. Howard Kitching | from Harpers Ferry Brig. |
| Martinsburg Brigade/ Third Brigade |
Colonel Benjamin F. Smith | redesignated 3/11 |
| 1st Maryland Cavalry, Potomac Home Brig. | ||
| 106th New York Infantry Regiment | Colonel Edward C. James | |
| 126th Ohio Infantry Regiment | Colonel Benjamin F. Smith | |
| 15th West Virginia Infantry Regiment | Colonel Maxwell McCaslin | from St. John’s Run |
| West Virginia Artillery, Battery F | ||
| Fourth Brigade | Colonel J. M. Campbell | |
| 54th Pennsylvania Infantry Regiment | from North Mountain | |
| Lafayette (PA) Cavalry Company | Captain Alex V. Smith | from Railroad District |
| 1st West Virginia Infantry Regiment | Colonel Joseph Thoburn | from North Mountain |
| Washington Co. Pennsylvania Cavalry | from Springfield | |
| Ringgold Pennsylvania Cavalry | ||
| West Virginia Artillery, Battery E | ||
| Fifth Brigade | Colonel James A. Mulligan | |
| 2nd Maryland Infantry, Potomac Home Brig. | from Cumberland | |
| 23rd Illinois Infantry Regiment | from New Creek | |
| 14th West Virginia Infantry Regiment | from New Creek | |
| Sixth Brigade | Colonel Nathan WIlkinson | |
| 6th West Virginia Infantry Regiment | Colonel Nathan Wilkinson | |
| 11th West Virginia Infantry Regiment | Lieutenant Colonel Daniel Frost | from Parkersburg |
| Unbrigaded | ||
| Loudon Va. Rangers | ||
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 T. Wilson | |
| 1st New York Cavalry Regiment | Colonel Andrew T. McReyolds | to 3 Brig. (below) |
| 12th Pennsylvania Cavalry Regiment | ||
| 13th Pennsylvania Cavalry Regiment | ||
| West Virginia Artillery, Battery D | ||
| Second Brigade | 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 Colonel A. T. McReynolds |
|
| 6th Maryland Infantry Regiment | Colonel John W. Horn | |
| 1st New York Cavalry Regiment | Colonel Andrew T. McReyolds | from 1 Brig. (above) |
| 67th Pennsylvania Infantry Regiment | Colonel John F. Staunton | from Annapolis |
| Baltimore (MD) Battery | from Harpers Ferry Brig. (above) | |
Third Division
|
Brigadier General B. S. Roberts (to 3/16) Brigadier General Benjamin F. Kelly (to 3/27) Brigadier General Eliakim Scammon |
From Kanawha Div. Dept. WV 3/11 |
| First Brigade | Colonel Rutherford B. Hays | |
| 23rd Ohio Infantry Regiment | Colonel Rutherford B. Hays | |
| 5th West Virginia Infantry Regiment | Colonel John L. Zeigler | |
| 13th West Virginia Infantry Regiment | Colonel William R. Brown | |
| 1st West Virginia Cavalry 2 cos. | ||
| 3rd West Virginia Cavalry Company G | ||
| Simmond’s Kentucky Battery | ||
| Second Brigade | Colonel Carr B. White | |
| 12th Ohio Infantry Regiment | Colonel Carr B. White | |
| 34th Ohio Infantry Regiment | Colonel John T. Toland | |
| 91st Ohio Infantry Regiment | Colonel John A. Turley | |
| 1st West Virginia Cavalry Company K | ||
| 2nd West Virginia Cavalry Cos. G&K | ||
| 3rd West Virginia Cavalry Company D | ||
| West Virginia Artillery, Battery B | ||
| 1st Ohio Independent Battery | ||
| Unattached | ||
| 2nd West Virginia Cavalry Regiment | Colonel John C. Paxton | |
First Separate Brigade |
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 | Colonel William P. Maulsby | |
| 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 | |
| Patapsco Maryland Guards | At Harrisburg and Carlisle, PA | |
| Purnell Legion Cavalry (MD) Co B | ||
| 5th New York Heavy Artillery | Colonel Samuel Graham | |
| 8th New York Heavy Artillery |
Colonel Peter A. Porter | |
| 179th Pennsylvania Infantry Regiment | Colonel William H. Blair | |
| 2nd United States Artillery, Battery I | at Fort McHenry | |
Third Separate Brigade |
Brigadier General H. S. Briggs | |
| 3rd Delaware Infantry Regiment | ||
| Purnell Legion Infantry (MD) | ||
| 14th New Jersey Infantry Regiment | Colonel William S. Truex | |
| 150th New York Infantry Regiment | Colonel John H. Ketcham | |
| 151st New York Infantry Regiment | Colonel William Emerson | |
| 138th Pennsylvania Infantry Regiment | Colonel Charles L.K. Sumwalt (dis. 3/30) Lieutenant Colonel M. R. McClennan |
|
Fourth Separate Brigade |
Brigadier General B. S. Roberts | created 3/11 |
| 28th Ohio Infantry Regiment | Colonel August Moor | from Dept. Ohio, Dist. Kanawha |
| 2nd West Virginia Infantry Regiment | Colonel George R. Latham | from Dept. Ohio, Dist. Kanawha |
| 3rd West Virginia Infantry Regiment | Colonel David T. Hewes | from Dept. Ohio, Dist. Kanawha |
| 8th West Virginia Infantry Regiment | Colonel John H. Oley | from Dept. Ohio, Dist. Kanawha |
| 10th West Virginia Infantry Regiment | Colonel Thomas M. Harris | from 2nd Div., 2nd Brig. (above) |
| West Virginia Battery B | from 2nd Div., 2nd Brig. (above) | |
| West Virginia Battery G | from WV Railroad District | |
| 1st West Virginia Cavalry, Co. A | from WV Railroad District | |
| 3rd West Virginia Cavalry, Co. E, H&I | from Dept. Ohio, Dist. Kanawha | |
| Schambeck’s (IL) Independent Cav. C. | Captain Frederick Schambeck | from Dept. Ohio, Dist. Kanawha |
| 3rd Ohio Independent Cavalry Co. | from Dept. Ohio, Dist. Kanawha | |
| 14th Pennsylvania Cavalry Regiment | from Defenses Upper Potomac | |
Annapolis |
||
| 3rd Maryland Potomac Home Brigade | Colonel Stephen W. Downey | |
| Purnell Legion Cavalry (Md) Co. B | ||
| 67th Pennsylvania Infantry Regiment | Colonel John F. Staunton | to 3 Brig. 2 Div. |