United States Army > Army of the Potomac
< to August • September 1862 • to October >
Commanded by Major General Samuel P. Heintzelman
The death of Kearney at the Battle of Chantily and the transfer of Hooker to command the First Corps changed the command structures of both divisions. The corps was assigned to the Washington Defenses during the Maryland Campaign and missed the Battle of Antietam.
| First Division | Brigadier General P. Kearney (k 9/1) Brigadier General David Birney (9/1 – 9/13) Brigadier General George Stoneman |
|
| 1st Brigade | Brig. Gen. John C. Robinson | |
| 2nd Brigade | Brig. Gen. David B. Birney (^ 9/1) Colonel J. H. H. Ward (9/1 – 9/13) Brig. Gen. David B. Birney |
|
| 3rd Brigade | Colonel Orlando Poe Brigadier General H. G. Berry |
|
| Second Division | Brigadier General Joseph Hooker (to 9/5) Brigadier General Daniel E. Sickles |
|
| 1st Brigade | Brigadier General Cuvier Grover (to 9/5) Brigadier General J. B. Carr |
|
| 2nd Brigade | Colonel Nelson Taylor (to 9/5) Colonel George B. Hall |
|
| 3rd Brigade | Brigadier General F. E. Patterson | |
| Artillery | ||
| 1st New York Artillery, Battery D | ||
| 4th New York Independent Battery | ||
| 6th New York Independent Battery | ||