< to March • April 1863 • to May >
Commanded by Major General John Dix
Fourth Corps |
Brigadier General Erasmus Keyes | |
Fortress Monroe and Camp Hamilton |
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| 3rd New York Infantry Regiment | Colonel Samuel M. Alford | to Suffolk, 1st Div. 4/19 |
| 3rd Pennsylvania Heavy Artillery | ||
Yorktown District |
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| King’s (Busteed’s) Brigade | Brigadier General Richard Busteed (to 4/1) Brigadier General Rufus King |
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| 4th Delaware Infantry Regiment | Colonel Arthur H. Grimshaw | |
| 139th New York Infantry Regiment | Colonel Anthony Conk | to West’s Advanced Brig. (below) |
| 168th New York Infantry Regiment | Colonel William R. Brown | |
| 169th Pennsylvania Infantry Regiment | Colonel Lewis W. Smith | |
| 178th Pennsylvania Infantry Regiment | Colonel James Johnson | to West’s Advanced Brig.(below) |
| 179th Pennsylvania Infantry Regiment | Colonel William H. Blair | |
| West’s Advanced Brigade | Colonel Robert M. West | |
| 139th New York Infantry Regiment | Colonel Anthony Conk | from King’s Independent Btig. (above) |
| 172nd Pennsylvania Infantry Regiment | Colonel Charles Kleckner | from unattached (below) |
| 178th Pennsylvania Infantry Regiment | Colonel James Johnson | from King’s Independent Btig. (above) |
| 5th Pennsylvania Cavalry Regiment | Colonel Robert M. West | from Cavalry (below) |
| Unattached | ||
| 172nd Pennsylvania Infantry Regiment | Colonel Charles Kleckner | to West’s Advanced Brig. (above) |
| Artillery | ||
| 1st New York Artillery, Battery F | ||
| 1st New York Artillery, Battery H | Captain C. E. Mink | |
| 8th New York Independent Battery | ||
| 1st Pennsylvania Artillery, Battery E | Captain Thomas G. Orwig | |
| 1st Pennsylvania Artillery, Battery H | Captain Andrew Fagan | |
| 5th United States Artillery, Battery M | ||
| Cavalry | ||
| 2nd Massachusetts Cavalry, 1st Bn. | ||
| 6th New York Cavalry, 2 Companies | ||
| 5th Pennsylvania Cavalry Regiment | Colonel Robert M. West | to West’s Advanced Brig.(above) |
Seventh Corps |
Major General John J. Peck (to 4/6) Major General Erasmus Keyes (to 4/14) Major General John J. Peck |
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Division at Suffolk |
Major General John J. Peck | Reorganized as 1st Division 4/9 (below) |
| Corcoran’s Brigade | Brigadier General Michael Corcoran | to 1st Division, 3rd Brig. (below) |
| 155th New York Infantry Regiment | Colonel William McEvily | |
| 164th New York Infantry Regiment | John E. McMahon | |
| 170th New York Infantry Regiment | Peter McDermott | |
| 182nd New York Infantry Regiment | Mathew Murphey | |
| Foster’s Brigade | Brigadier General Robert S. Foster | to 1st Div., 2nd Brig. (below) |
| 13th Indiana Infantry Regiment | ||
| 6th Massachusetts Infantry Regiment | Colonel Albert S. Follansbee | |
| 169th New York Infantry Regiment | Colonel Clarence Buel | from Defences of Washington |
| 165th Pennsylvania Infantry Regiment | ||
| 166th Pennsylvania Infantry Regiment | ||
| 167th Pennsylvania Infantry Regiment | ||
| Terry’s Provisional Brigade | Brigadier General Henry D. Terry |
Brigade dissolved |
| 1st Battalion New York Sharpshooters | to 1st Div. 1st Brig. (below) | |
| 99th New York Infantry Regiment | Colonel David W. Wardop | to Reserve Brig. (below) |
| 112th New York Infantry Regiment | to 1st Div., 2nd Brig. (below) | |
| 130th New York Infantry Regiment | to 1st Div. 1st Brig. (below) | |
First Division |
Brigadier General Michael Corcoran | created 4/9 from Div. at Suffolk (above) |
| First Brigade | Brigadier General Henry D. Terry | |
| 1st Battalion New York Sharpshooters | from Suffolk Div., Terry’s Brig. (above) | |
| 130th New York Infantry Regiment | from Suffolk Div., Terry’s Brig. (above) | |
| 152nd New York Infantry Regiment | Colonel Alonzo Ferguson | from Defences of Washington |
| 167th Pennsylvania Infantry Regiment | from Terry’s Prov. Brig. (above) | |
| 11th Rhode Island Infantry Regiment | Colonel George E. Church | from 22nd Corps, District Alexandria |
| 26th Michigan Infantry Regiment | Colonel Judson S. Farrar | from 22nd Corps, District Alexandria |
| Second Brigade | Brigadier General Robert S. Foster | |
| 13th Indiana Infantry Regiment | from Suffolk Div., Foster’s Brig. (above) | |
| 6th Massachusetts Infantry Regiment | Colonel Albert S. Follansbee | from Suffolk Div., Foster’s Brig. (above) |
| 112th New York Infantry Regiment | from Suffolk Div., Terry’s Brig. (above) | |
| 169th New York Infantry Regiment | Colonel Clarence Buel | from Defences of Washington |
| 165th Pennsylvania Infantry Regiment | from Suffolk Div., Foster’s Brig. (above) | |
| 166th Pennsylvania Infantry Regiment | from Suffolk Div., Foster’s Brig. (above) | |
| Third Brigade | Colonel Mathew Murphey | |
| 10th New Jersey Infantry Regiment | Colonel Henry O. Ryerson | |
| 155th New York Infantry Regiment | Colonel William McEvily | from Suffolk Div., Corcoran’s Brig. (above) |
| 164th New York Infantry Regiment | Colonel John E. McMahon | from Suffolk Div., Corcoran’s Brig. (above) |
| 170th New York Infantry Regiment | Colonel Peter McDermott | from Suffolk Div., Corcoran’s Brig. (above) |
| 182nd New York Infantry Regiment | Colonel Mathew Murphey | from Suffolk Div., Corcoran’s Brig. (above) |
Second Division |
Brigadier General George W. Getty | created 4/9 from Div. at Suffolk (above) |
| First Brigade | Colonel Harrison S. Fairchild (to 4/9) Colonel Rush C. Hawkins |
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| 10th New Hampshire Infantry Regiment | Colonel Michael T. Donohoe | from 9th Corps, 3rd Div., 1st Brig. |
| 3rd New York Infantry Regiment | from Camp Hamilton | |
| 9th New York Infantry Regiment | Colonel Rush C. Hawkins (^ 4/9) Lieutenant Colonel Kimball (k 4/12)* Major Edward Jardine |
from 9th Corps, 3rd Div., 1st Brig. |
| 89th New York Infantry Regiment | Colonel Harrison S. Fairchild | from 9th Corps, 3rd Div., 1st Brig. |
| 103rd New York Infantry Regiment | Colonel Benjamin Ringold (mw 5/3) | from 9th Corps, 3rd Div., 1st Brig. |
| 117th New York Infantry Regiment | Colonel William R. Pease | from 22nd Corps, Defences Washington |
| Second Brigade | Brigadier General Edward Harland | from 9th Corps, 3rd Div., 2nd Brig. |
| 8th Connecticut Infantry Regiment | Colonel John E. Ward | |
| 11th Connecticut Infantry Regiment | Colonel Griffin A. Stedman | |
| 15th Connecticut Infantry Regiment | Colonel Dexter R. Wright | |
| 16th Connecticut Infantry Regiment | Colonel Francis Beach | |
| Third Brigade | Colonel Arthur H. Dutton | from 9th Corps, 3rd Div., 3rd Brig. |
| 21st Connecticut Infantry Regiment | Colonel Arthur H. Dutton | |
| 13th New Hampshire Infantry Regiment | Colonel Aaron F. Stevens | |
| 25th New Jersey Infantry Regiment | Colonel Andrew Derrom | |
| 4th Rhode Island Infantry Regiment | ||
| Division Artillery | from 9th Corps, 3rd Div., Artillery | |
| 1st Pennsylvania Artilery, Battery A | Captain John G. Simpson | |
| 4th United States Artillery, Battery A | ||
Third Division |
Colonel William Gurney | from Dept. Washington |
| Porter’s Brigade | Colonel Burr Porter | from 22nd Corps, Abercrombie’s Div., 2 Brig. |
| 22nd Connecticut Infantry Regiment | Colonel George S. Burnham | |
| 40th Massachusetts Infantry Regiment | Colonel Burr B. Porter | |
| 141st New York Infantry Regiment | Colonel John Dininny | |
| Hughston’s Brigade | Colonel Robert S. Hughston | from 22nd Corps, Abercrombie’s Div., 3 Brig. |
| 127th New York Infantry Regiment | Colonel William Gurney | |
| 142nd New York Infantry Regiment | Colonel Newton M. Curtis | |
| 143rd New York Infantry Regiment | Colonel David P. De Witt (res. 4/29) Lieutenant Colonel Horace Boughton |
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| 144th New York Infantry Regiment | Lieutenant Colonel David E. Gregory | |
Reserve Brigade |
Brigadier General Isaac Wistar | |
| 99th New York Infantry Regiment | Colonel David W. Wardop | from Div. Suffolk, Terry’s Brig. |
| 118th New York Infantry Regiment | from District Washington, 22nd Corps | |
| 9th Vermont Infantry Regiment | Colonel Dudley K. Andross | from Camp Douglas, Il. |
| 19th Wisconsin Infantry Regiment | Colonel Horace Turner Sanders | from Viele’s Command, Norfolk (above) |
| 16th New York Independent Battery | from 7 Corps Artillery (below) | |
7th Corps Artillery |
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| 1st Delaware Battery | from Washington, Camp Berry | |
| 7th Massachusetts Independent Battery | from Division at Suffolk | |
| 16th New York Independent Battery | from Washington, Camp Berry; then to Reserve Brigade (above) |
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| 19th New York Independent Battery | from Washington, Camp Berry | |
| 3rd Pennsylvania Heavy Artillery | from Fort Monroe (above) | |
| 4th United States Artillery, Battery D | from Viele’s Command, Norfolk (above) | |
| 4th United States Artillery, Battery L | from Division at Suffolk (above) | |
| 2nd Wisconsin Battery | Captain Ernst F. Herzberg | |
| 4th Wisconsin Battery | Captain John F. Vallee | |
Cavalry |
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| 1st New York Mounted Rifles | Lieutenant Colonel Benjamin F. Onderdonk | from Division at Suffolk (above) |
| 11th Pennsylvania Cavalry Regiment | from Division at Suffolk (above) | |
Norfolk District |
Brigadier General Egbert L. Viele | |
| 7th New York Independent Battery | Captain Peter C. Regan | |
| 148th New York Infantry Regiment | ||
| 173rd Pennsylvania Infantry Regiment | Colonel Daniel Nagle | |
| 177th Pennsylvania Infantry Regiment | Colonel George B. Wiestling | |
| 19th Wisconsin Infantry Regiment | to Reserve Brig., Suffolk (above) | |
| 7th New York Independent Battery | to Reserve Brig. (above) | |
| 4th United States Artillery, Battery D | to Reserve Brig., Suffolk (above) |