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Commanded by:
Major General George B. McClellan (relieved November 7)
Major General Ambrose Burnside
On November 14, 1862, just a week after Ambrose Burnside took over the Army of the Potomac, he created a new command level, the “Grand Division.” Each of the three new Grand Divisions consisted of two corps, with the senior corps commander taking command of the Grand Division. It was an admission that there were simply too many high-level units for an army commander to effectively control, particular for a general who openly admitted his unfitness for the job.
Army Organization until November 14
See below for organization after the creation of the Grand Divisions
| Headquarters | ||
| First Corps | Brigadier General John F. Reynolds | |
| 1st Division | Brigadier General Abner Doubleday | |
| 2nd Division | Brigadier General N. Taylor (to 11/5) Brigadier General John Gibbon |
|
| 3rd Division | Brigadier General George Meade | |
| Second Corps | Major General Darius N. Couch |
|
| 1st Division | Brigadier General Winfield S. Hancock | |
| 2nd Division | Brigadier General Oliver O. Howard | |
| 3rd Division | Brigadier General William H. French | |
| Third Corps | Brigadier General George Stoneman |
|
| 1st Division | Brigadier General David Birney | |
| 2nd Division | Brigadier General Daniel Sickles | |
| Fifth Corps | Major General Fitz John Porter | |
| 1st Division | Brigadier General Daniel Butterfield | |
| 2nd Division | Brigadier General George Sykes | |
| 3rd Division | Brigadier General Andrew A. Humphreys | |
| Sixth Corps | Major General William B. Franklin | |
| 1st Division | Brigadier General Hennry W. Slocum | |
| 2nd Division | Brigadier General William F. Smith (to 11/16) Brigadier General Albion P. Howe |
|
| 3rd Division | Brigadier General John Newton | |
| Ninth Corps | Brigadier General Orlando D. Wilcox |
|
| 1st Division | Brigadier General William W. Burns | |
| 2nd Division | Brigadier General Samuel D. Sturgis | |
| 3rd Division | Brigadier General George W. Getty | |
| Eleventh Corps | Major General Franz Sigel | |
| 1st Division | Brigadier General Julius H. Stahel | |
| 2nd Division | Brigadier General Adolph Von Steinwehr | |
| 3rd Division | Brigadier General Carl Schurz | |
| Twelfth Corps |
Major General Henry W. Slocum |
|
| 1st Division | Brigadier General Alpheus Williams | |
| 2nd Division | Brigadier General John W. Geary | |
| Cavalry Division | Brigadier General Alfred Pleasonton | |
| 1st Brigade | Major C. Whiting Colonel John F. Farnsworth |
|
| 2nd Brigade | Colonel John F. Farnsworth Colonel David McM. Gregg |
|
| 3rd Brigade | Colonel Richard H. Rush | |
| 5th Brigade | Colonel Benjamin F. Davis | |
| Averill’s Brigade | Brigadier General William W. Averill | |
| Bayard’s Brigade | Brigadier General George D. Bayard | |
Army Organization after November 14
After the creation of the Grand Divisions
| Headquarters | ||
| Right Grand Division | Major General Edwin V. Sumner | |
| Second Corps | Major General Darius N. Couch |
|
| 1st Division | Brigadier General Winfield S. Hancock (MG 11/29) | |
| 2nd Division | Brigadier General Oliver O. Howard (MG 11/29) | |
| 3rd Division | Brigadier General William H. French (MG 11/29) | |
| Ninth Corps | Brigadier General Orlando D. Wilcox |
|
| 1st Division | Brigadier General William W. Burns | |
| 2nd Division | Brigadier General Samuel D. Sturgis | |
| 3rd Division | Brigadier General George W. Getty | |
| Center Grand Division | Major General Joseph Hooker | |
| Third Corps | Brigadier General George Stoneman (MG 11/29) |
|
| 1st Division | Brigadier General David Birney | |
| 2nd Division | Brigadier General Daniel Sickles (MG 11/29) | |
| 3rd Division | Brigadier General Amiel W. Whipple | recreated 11/18 |
| Fifth Corps | Major General Fitz John Porter | |
| 1st Division | Brigadier General Charles Griffin (except 11/1-16) Brigadier General Daniel Butterfield (11/1 – 11/16) |
|
| 2nd Division | Brigadier General George Sykes | |
| 3rd Division | Brigadier General Andrew A. Humphreys | |
| Left Grand Division | Major General William B. Franklin | |
| First Corps | Brigadier General John F. Reynolds (MG 11/29) | |
| 1st Division | Brigadier General Abner Doubleday (MG 11/29) | |
| 2nd Division | Brigadier General N. Taylor (to 11/5) Brigadier General John Gibbon |
|
| 3rd Division | Brigadier General George Meade | |
| Sixth Corps | Major General William F. Smith | |
| 1st Division | Brigadier General W. T. H. Brooks | |
| 2nd Division | Brigadier General Albion P. Howe | |
| 3rd Division | Brigadier General John Newton | |
| Reserve | ||
| Eleventh Corps | Major General Franz Sigel | |
| 1st Division | Brigadier General Julius H. Stahel | |
| 2nd Division | Brigadier General Adolph Von Steinwehr | |
| 3rd Division | Brigadier General Carl Schurz | |
| Twelfth Corps |
Major General Henry W. Slocum |
|
| 1st Division | Brigadier General Alpheus Williams | |
| 2nd Division | Brigadier General John W. Geary | |
| Cavalry Division | Brigadier General Alfred Pleasonton | |
| 1st Brigade | Major C. Whiting Colonel John F. Farnsworth |
|
| 2nd Brigade | Colonel John F. Farnsworth Colonel David McM. Gregg |
|
| 3rd Brigade | Colonel Richard H. Rush | |
| 5th Brigade | Colonel Benjamin F. Davis | |
| Averill’s Brigade | Brigadier General William W. Averill | |
| Bayard’s Brigade | Brigadier General George D. Bayard | |