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Commanded by Major General George B. McClellan
In July of 1862 the Ninth Corps was created from the troops of Burnside’s Carolina Expedition and a cavalry division was formed. After the Army of the Potomac was humiliated by Stuart’s ride through its rear area, Brigadier General Philip St. George Cooke (who was Stuart’s father-in-law) was relieved as commander of the Cavalry Reserve and a cavalry division was organized under Brigadier General George Stoneman.
Headquarters |
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Guards & Orderlies | ||
McClellan Dragoons (Illinois) | ||
Sturgis (Illinois) Rifles | ||
Oneida (New York) Cavalry Company | ||
1st United States Cavalry, Cos. BCH&I | from Cavalry Reserve, 2nd Brig. | |
4th United States Cavalry, Cos. A & E | ||
Provost Guard | Colonel Andrew Porter | |
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 | Brigadier General Daniel Woodbury | |
15th New York Engineer Regiment | ||
50th New York Engineer Regiment | Colonel Charles B. Stuart | |
Regular Engineer Battalion | ||
Siege Artillery | ||
1st Connecticut Heavy Artillery | to Defences Washington | |
Second Corps |
Major General Edwin V. Sumner | |
1st Division | Brigadier General Israel Richardson (to 7/17) Brigadier General George Stoneman |
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2nd Division | Brigadier General John Sedgwick | |
Third Corps |
Major General Samuel P. Heintzelman | |
2nd Division | Brigadier General Joseph Hooker | |
3rd Division | Brigadier General Philip Kearney | |
Fourth Corps |
Brigadier General Erasmus Keyes | |
1st Division | Brigadier General Darius N. Couch (to 7/12) Brigadier General John J. Abercrombie |
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2nd Division | Brigadier General Silas Casey | |
Fifth Corps |
Brigadier General Fitz John Porter | |
1st Division | Brigadier General George W. Morrell | |
2nd Division | Brigadier General George Sykes | |
3rd Division | Brigadier General Truman Seymour | |
Artillery Reserve | Colonel Henry Hunt | |
Sixth Corps |
Major General William B. Franklin | |
1st Division | Brigadier General Henry Slocum | |
2nd Division | Brigadier General William F. Smith | |
Ninth Corps |
Major General Ambrose E. Burnside | |
1st Division | Brigadier General Israel I. Stevens | created 7/22 |
2nd Division | Brigadier General William Jesse Reno | |
3rd Division | Brigadier General John G. Parke | |
Cavalry Division |
Brigadier General George Stoneman (to 7/17) | |
First Brigade | Colonel William W. Averill | |
1st New York Cavalry Regiment | Colonel Andrew T. McReynolds | from 6th Corps |
3rd Pennsylvania Cavalry Regiment | from 3rd Corps | |
4th Pennsylvania Cavalry Regiment | from 5th Corps | |
5th United States Cavalry Regiment | ||
2nd Brigade | Colonel David McM. Gregg (until 7/16) Brigadier General Alfred Pleasonton |
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6th Pennsylvania Cavalry Regiment | Colonel Richard H. Rush | from 1st Brig., Cavalry Reserve |
8th Illinois Cavalry Regiment | ||
8th Pennsylvania Cavalry Regiment | Major Lawrence Williams | |
1st United States Cavalry Regiment | Lt. Colonel William N. Grier | to Army Headquarters |
6th United States Cavalry Regiment | from 1st Brig., Cavalry Reserve |