United States Army

< to July • August 1862 • to September >

Commanded by Major General George B. McClellan

In August of 1862 the Pennsylvania Reserves Division was transferred from the 5th Corps to Pope’s Army of Virginia.


Guards & Orderlies
McClellan Dragoons (Illinois)
Sturgis (Illinois) Rifles
Oneida (New York) Cavalry Company
1st United States Cavalry, Cos. BCH&I
4th United States Cavalry, Cos. A & E
Provost Guard Colonel Andrew Porter (to 8/6)
Major W. H. Wood
93rd New York Infantry, Cos. AFH&K Lt. Colonel Benjamin C. Butler
8th United States Infantry, Cos. F&G
19th United States Infantry Cos. G&H Captain Edmund L. Smith (Co. G)
Captain Henry S. Welton (Co. H)
from Indianapolis
2nd United States Cavalry Regiment
Engineer Brigade
15th New York Engineer Regiment
50th New York Engineer Regiment
Regular Engineer Battalion

Second Corps

Major General Edwin V. Sumner
First Division Brigadier General George Stoneman (to 8/15)
Brigadier General Israel B. Richardson
Second Division Brigadier General John Sedgwick

Third Corps

Major General Samuel P. Heintzelman 
Third/First Division Brigadier General Philip Kearney Redesignated from 3rd Division 8/5
Second Division Brigadier General Joseph Hooker

Fourth Corps

Brigadier General Erasmus Keyes
First Division Brigadier General John J. Abercrombie (to 8/12)
Brigadier General Darius N. Couch
Second Division Brigadier General Silas Casey

Fifth Corps

Major General Fitz John Porter
First Division Brigadier General George W. Morrell
Second Division Brigadier General George Sykes
Third Division Brigadier General Truman Seymour to Army Virginia – 3 Corps 8/26
Artillery Reserve Colonel Henry Hunt

Sixth Corps

Major General William B. Franklin
First Division Brigadier General Henry Slocum
Second Division Brigadier General William F. Smith

Ninth Corps

Major General Ambrose E. Burnside
First Division Brigadier General Israel I. Stevens
Second Division Brigadier General William Jesse Reno
Third Division Brigadier General John G. Parke

Cavalry Division

Brigadier General George Stoneman (after 8/15)
First Brigade Colonel William W. Averill
1st New York Cavalry Regiment
3rd Pennsylvania Cavalry Regiment
4th Pennsylvania Cavalry Regiment
5th United States Cavalry Regiment
Second Brigade Brigadier General Alfred Pleasonton
6th Pennsylvania Cavalry Regiment Colonel Richard H. Rush
8th Illinois Cavalry Regiment
8th Pennsylvania Cavalry Regiment Major Lawrence Williams
6th United States Cavalry Regiment