Organization of the Army of the Potomac, Major General Joseph Hooker, U. S. Army, commanding, January 31, 1863.
1st Massachusetts Cavalry (one company), Captain T. L. Motley.
1st. U. S. Cavalry (detachment), Captain M. T. Carr.
4th U. S. Cavalry, Companies A and E, Captain James B. McIntyre.
Brigadier General MARSENA R. PATRICK.
McClellan (III.) Dragoons, Company A, Captain George W. Shears.
McClellan (III.) Dragoons, Company B, Captain David C. Brown.
21st New York,* Lieutenant Colonel Chester W. Sternberg.
23rd New York,* Colonel H. C. Hoffman.
35th New York,* Lieutenant Co. John G. Todd.
80th New York,* Colonel Theodore B. Gates.
93rd New York, Colonel J. S. Crocker.
2nd U. S. Cavalry, Captain Thomas Hight.
8th U. S. Infantry (five companies), Captain E. W. H. Read.
VOLUNTEER ENGINEER BRIGADE.
Brigadier General D. P. WOODBURY.
15th New York Engineers, Colonel C. G. Colgate.
50th New York Engineers, Colonel C. B. Stuart.
REGULAR ENGINEER BATTALION.
Lieutenant CHARLES E. CROSS.
Lieutenant JOHN R. EDIE.
Brigadier General HENRY J. HUNT, Chief of Artillery.
Brigadier General WILLIAM HAYS.
1st Connecticut Heavy Artillery, Company B, Captain A. F. Brooker.
1st Connecticut Heavy Artillery, Company M, Captain F. A. Pratt.
1st New York Battalion Battery A, Captain Otto Diederichs.
1st New York Battalion Battery B, Lieutenant A. von Kleiser. 1st New York Battalion Battery C, Lieutenant C. Carrolien.
1st New York Battalion Battery D, Captain C. Kusserow.
5th New York Battery, Captain E. D. Taft.
6th New York Battery, Captain W. M. Bramhall.
15th New York Battery, Lieutenant A. McManon.
1st United States, Battery K, Captain W. M. Graham.
2nd United States, Batteries B and L, Captain J. M. Robertson.
4th United States, Battery G, Lieutenant M. P. Miller.
5th United States, Battery K, Lieutenant Charles Holman.
32nd Massachusetts Infantry, Company C, Lieutenant R. Hamilton.
*These regiments constituted a provisional brigade, under command of Colonel William F. Rogers.