The United States Army

< to August • September 1863to October >

Commanded by Major General George Meade

The Eleventh and Twelfth Corps left the Army of the Potomac and were transferred to the Army of the Cumberland in the Western Theater.


Headquarters Staff
Chief of Staff Major General Andrew A. Humphreys
Chief of Artillery Brigadier General Henry J. Hunt
Chief Engineer
Assistant Adjutant General Brigadier General Seth Williams
Inspector General Colonel Delos B. Sacket
Chief Quartermaster Lieutenant Colonel Rufus Ingalls
Medical Director Surgeon Jonathan Letterman
Bureau of Information Colonel George H. Sharpe
Chief Signals Officer Captain Samuel T. Cushing
Guards & Orderlies
Oneida (New York) Cavalry Company Captain Daniel P. Mann
6th Pennsylvania Cavalry Regiment,
Companies E and I
Captain Emlen N. Carpenter (Co. E)
Captain James Starr (Co. I)
Provost Guard Major William H. Wood
80th New York Infantry Regiment Colonel Theodore B. Gates (mustered out)
Colonel Jacob Hardenberg
93rd New York Infantry, Cos. AFH&K Colonel John S. Crocker
8th United States Infantry, Cos. ABDF&G Captain Edwin W. H. Read
Engineer Brigade Brigadier General Daniel Woodbury
15th New York Engineer Regiment Major Walter N. Cassin
50th New York Engineer Regiment Lieutenant Colonel William H. Pettes
Regular Engineer Battalion Captain George Henry Mendell

First Corps

Major General John Newton
1st Division Brigadier General J.C. Rice (to 9/23)
Brigadier General Lysander Cutler
2nd Division Brigadier General John C. Robinson
3rd Division Brigadier General John Kenly

Second Corps

Brigadier General John C. Caldwell (to 9/2)
Major General Gouverneur Warren
1st Division Brigadier General John C. Caldwell
2nd Division Brigadier General A. S. Webb 
3rd Division Colonel Joshua T. Owen (to 9/6)
Brigadier General Alexander Hays

Third Corps

Major General William H. French
1st Division Major General David Birney
2nd Division Brigadier General Henry Prince
3rd Division Brigadier General W. L. Elliott

Fifth Corps

Major General George Sykes
1st Division Brigadier General Charles Griffin
2nd Division Brigadier General Romeyn B. Ayres
3rd Division Colonel William McCandless

Sixth Corps

Major General John Sedgwick
1st Division Brigadier General Horatio G. Wright
2nd Division Brigadier General Albion P. Howe
3rd Division Brigadier General Henry D. Terry

Eleventh Corps

Major General Oliver O. Howard
2nd Division Brigadier General Adolph Von Steinwehr to the Department of the Cumberland 9/25
3rd Division Brigadier General Carl Schurz

Twelfth Corps

Major General Henry W. Slocum
1st Division Brigadier General Alpheus Williams (to 8/31)
Brigadier General Joseph F. Knipe
to the Department of the Cumberland 9/25
2nd Division Brigadier General John W. Geary

Cavalry Corps

Brigadier General Alfred Pleasonton
1st Division Brigadier General Wesley Merritt (to 9/15)
Brigadier General John Buford
2nd Division Colonel John I. Gregg (to 9/24)
Brigadier General David McM. Gregg
3rd Division Brigadier General Judson Kilpatrick

Artillery Reserve

Brigadier General Robert O. Tyler
1st Regular Brigade Captain Dunbar R. Ransom
1st United States Artillery, Battery H 2nd Lieutenant Philip D. Mason
3rd United States Artillery, Batteries F&K 1st Lieutenant John G. Turnbull
4th United States Artillery, Battery C 1st Lieutenant Evan Thomas
1st Volunteer Brigade Lt. Colonel Freeman McGilvery
6th Maine Battery Lieutenant Edwin Dow
9th Massachusetts Battery 2nd Lieutenant Richard S. Milton
1st New Jersey Artillery, Battery A Lieutenant Augustin N. Parsons
4th New York Independent Battery Captain James E. Smith from 22 Corps, Camp Berry
Pennsylvania Independent Batteries C&F
2nd Volunteer Brigade Captain Elijah D. Taft
1st Connecticut Heavy Artillery, Company B Lieutenant Albert F. Brooker
1st Connecticut Heavy Artillery, Company M Captain Franklin A. Pratt
2nd Connecticut Light Battery (1 sec.) Captain John W. Sterling from 22nd Corps, Artilery
1st New York Artillery, Battery B Captain James McKay Rorty (k 7/3)
Lieutenant Robert E. Rogers
from 2nd Corps Artillery
5th New York Independent Battery Captain Elijah D. Taft
3rd Volunteer Brigade Captain James F. Huntington
1st Maryland Artillery, Battery A Captain James H. Rigby
1st New Hampshire Battery Captain Frederick M. Edgell
1st New York Artillery, Battery K
11th New York Battery attached)
Captain Robert H. Fitzhugh
15th New York Independent Battery Captain Patrick Hart from 4 Volunteer Brig. (below)
1st Ohio Artillery, Battery H Lieutenant George W. Norton to 4 Volunteer Brig. (below)
4th Volunteer Brigade Captain Robert H. Fitzhugh
15th New York Independent Battery
1st Ohio Artillery, Battery H Lieutenant George W. Norton
1st West Virginia Artillery, Battery C Captain Wallace Hill
Ammunition Guard
6th New York Heavy Artillery Colonel J. Howard Kitching