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Commanded by Major General George Meade
Headquarters |
||
| Headquarters Staff | ||
| Chief of Staff | Major General Andrew A. Humphreys | |
| Chief of Artillery | Brigadier General Henry J. Hunt | |
| Chief Engineer | Major General Gouverneur K. Warren (to 8/16) | |
| 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 | |
| 93rd New York Infantry, Cos. AFH&K | Colonel John S. Crocker | |
| 130th New York Infantry Regiment | Colonel Alfred Gibbs | to Cavalry Corps 8/3; redesignated 19th New York Cavalry, then 1st New York Dragoons |
| 8th United States Infantry, Cos. ABDF&G | Captain Edwin W. H. Read | |
| Engineer Brigade | Brigadier General Daniel Woodbury | |
| 15th New York Engineer Regiment | Colonel John M. Murphy | |
| 50th New York Engineer Regiment | Lieutenant Colonel William H. Pettes | |
| Regular Engineer Battalion | Captain James C. Duane | |
First Corps |
Major General John Newton |
|
| 1st Division | Brigadier General Lysander Cutler (to 8/5) Brigadier General H.S. Briggs (to 8/23) Brigadier General J.C. Rice |
|
| 2nd Division | Brigadier General John C. Robinson | |
| 3rd Division | Brigadier General John Kenly | |
Second Corps |
Brigadier General William Hays (to 8/16) Major General Gouverneur Warren (to 8/26) Brigadier General John C. Caldwell |
|
| 1st Division | Brigadier General John C. Caldwell Colonel Nelson A. Miles |
|
| 2nd Division | Brigadier General William Harrow (to 8/15) Brigadier General A. S. Webb |
|
| 3rd Division | Brigadier General Alexander Hays (to 8/15) Brigadier General Joshua T. Owen |
|
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 | Brigadier General Samuel W. Crawford (to 8/28) 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 Joseph J. Bartlett (to 8/4) Brigadier General Henry D. Terry |
|
Eleventh Corps |
Major General Oliver O. Howard |
|
| 1st Division | Brigadier General George H. Gordon |
transferred to Dept. South 8/8 |
| 2nd Division | Brigadier General Adolph Von Steinwehr | |
| 3rd Division | Brigadier General Carl Schurz | |
Twelfth Corps
|
Major General Henry W. Slocum (to 8/31) Brigadier General Alpheus Williams |
|
| 1st Division | Brigadier General Alpheus Williams (to 8/31) Brigadier General Joseph F. Knipe |
|
| 2nd Division | Brigadier General John W. Geary | |
Cavalry Corps |
Brigadier General Alfred Pleasonton |
|
| 1st Division | Brigadier General John Buford (to 8/15) Brigadier General Wesley Merritt |
|
| 2nd Division | Brigadier General David McM. Gregg (to 8/24) Colonel John I. Gregg |
|
| 3rd Division | Brigadier General George A. Custer (to 8/4) 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 | Lieutenant Colonel Freeman McGilvery | |
| 6th Maine Battery | Lieutenant Edwin Dow | |
| 5th Massachusetts Battery | to 5th Corps Artillery | |
| 9th Massachusetts Battery | 2nd Lieutenant Richard S. Milton | |
| 1st New Jersey Artillery, Battery A | Lieutenant Augustin N. Parsons | |
| 15th New York Independent Battery | Captain Patrick Hart | to 4 Volunteer Brig. (below) |
| 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) |
| 1st West Virginia Artillery, Battery C | Captain Wallace Hill | to 4 Volunteer Brig. (below) |
| 4th Volunteer Brigade | Captain Robert H. Fitzhugh | |
| 1st Maryland Artillery, Battery A | Captain James H. Rigby | to 3rd Volunteer Brig. (above) |
| 1st New Jersey Artillery, Battery A | to 1st Volunteer Brig. (above) | |
| 1st New York Artillery, Battery K (11th New York Battery attached) |
Captain Robert H. Fitzhugh | to 3rd Volunteer Brig. (above) |
| 15th New York Independent Battery | from 1 Brig. (above), to 3 Brig. (above) | |
| 1st Ohio Artillery, Battery H | Lieutenant George W. Norton | from 3 Vol. Brig. (above) |
| 1st West Virginia Artillery, Battery C | Captain Wallace Hill | from 3 Volunteer Brig. (above) |
| Ammunition Guard | ||
| 6th New York Heavy Artillery | ||