# Battle of the Crater order of battle: Union

The following Union Army units and commanders fought in the Battle of the Crater (July 30, 1864) of the American Civil War. The Confederate order of battle is listed separately.

## Abbreviations used
### Military Rank

* LTG = Lieutenant General
* MG = Major General
* BG = Brigadier General
* Col = Colonel
* Ltc = Lieutenant Colonel
* Maj = Major
* Cpt = Captain
* Lt = Lieutenant

### Other

* w = wounded
* mw = mortally wounded
* k = killed in action
* c = captured

## Union Forces
### General in Chief

LTG Ulysses S. Grant, commander in chief

### Army of the Potomac

MG George Meade
Provost Guard:
BG Marsena R. Patrick
* 1st Indiana Cavalry, Company K: Cpt Theodore Majtheny
* 1st Massachusetts Cavalry, Companies C & D: Cpt Charles Francis Adams, Jr.
* 80th New York: Col Theodore B. Gates
* 3rd Pennsylvania Cavalry, Companies A, B, & M: Maj James W. Walsh
* 68th Pennsylvania: Col Andrew H. Tippin
* 114th Pennsylvania: Col Charles H. T. Collis
Engineer Brigade:
BG Henry W. Benham
* 15th New York Engineers (5 companies): Maj William A. Ketchum
* 50th New York Engineers:
* Battalion U.S. Engineers: Cpt George H. Mendell
Signal Corps: Cpt Benjamin F. Fisher
Guards and Orderlies:
* Independent Company Oneida Cavalry (New York): Cpt Daniel P. Mann

#### IX Corps

MG Ambrose Burnside
Provost Guard:
* 8th United States: Cpt Milton Cogswell
| Division | Brigade | Regiments and Others |
| First Division   BG James H. Ledlie | 1st Brigade   BG William F. Bartlett (c)   Ltc Joseph H. Barnes | 21st Massachusetts: Cpt William H. Clark (mw) 29th Massachusetts: Ltc Joseph H. Barnes, Cpt Willard D. Tripp 56th Massachusetts: Col Stephen M. Weld (c), Cpt Charles D. Lamb 57th Massachusetts: Maj Albert Prescott (k), Cpt Edson A Dresser (k), Lt Albert Doty 59th Massachusetts: Col Jacob P. Gould (mw), Ltc John Hodges (k), Cpt Ezra P Gould 100th Pennsylvania: Maj Thomas J. Hamilton (mw), Cpt Walter Oliver (k), Cpt Joseph H. Pentecost |
| First Division   BG James H. Ledlie | 2nd Brigade   Col Elisha Marshall (c)   Ltc. Gilbert P. Robinson | 3rd Maryland (4 companies) : Ltc Gilbert P. Robinson, Cpt David J. Weaver 14th New York Heavy Artillery: Maj Charles Chipman 179th New York (7 companies): Maj John Barton (k), Cpt Albert A. Terrill 2nd Pennsylvania Provisional Heavy Artillery: Ltc Benjamin G. Barney (w), Cpt James W. Haig |
| First Division   BG James H. Ledlie | Acting Engineers | 35th Massachusetts: Cpt Clifton A. Blanchard |
| Second Division   BG Robert B. Potter | 1st Brigade   Col Zenas Bliss | 36th Massachusetts: Cpt Thaddeus L. Barker 58th Massachusetts: Cpt Charles E. Churchill 2nd New York Mounted Rifles: Col John Fisk 45th Pennsylvania: Cpt Theodore Gregg 48th Pennsylvania: Ltc Henry Pleasants 4th Rhode Island: Lt Col Martin Buffum ( c), Maj James T. P. Bucklin |
| Second Division   BG Robert B. Potter | 2nd Brigade   BG Simon Goodell Griffin | 31st Maine: Lt Col Daniel White (c), Cpt James Dean 32nd Maine: Cpt Joseph B. Hammond 2nd Maryland: Cpt James H. Wilson 6th New Hampshire: Cpt Samuel G. Goodwin 9th New Hampshire: Cpt John B. Cooper 11th New Hampshire: Cpt Arthur C. Locke 17th Vermont: Cpt Lyman E. Knapp |
| Second Division   BG Robert B. Potter | Acting Engineers | 7th Rhode Island: Cpt Percy Daniels |
| Third Division   BG Orlando B. Willcox | 1st Brigade   BG John F. Hartranft | 8th Michigan: Maj Horatio Belcher 27th Michigan (1st & 2nd Companies Michigan Sharpshooters attached): Cpt Edward S. Leadbeater 109th New York: Col Isaac S. Catlin (w), Cpt Edwin Evans 13th Ohio Cavalry (dismounted): Col Noah H. Nixon 51st Pennsylvania: Maj Lane S. Hart 37th Wisconsin: Col Samuel Harriman 38th Wisconsin (5 companies): Ltc Colwert K. Pler |
| Third Division   BG Orlando B. Willcox | 2nd Brigade   Col William Humphrey | 1st Michigan Sharpshooters: Col Charles V. DeLand 2nd Michigan: Cpt Ebenezer C. Tulloch 20th Michigan: Ltc Byron M. Cutcheon 24th New York Cavalry (dismounted): Ltc Walter C. Newberry 46th New York: Cpt Alphons Serviere 60th Ohio (9th & 10th Companies Ohio Sharpshooters attached): Maj Martin Avery 50th Pennsylvania: Ltc Edwin Overton, Jr. |
| Third Division   BG Orlando B. Willcox | Acting Engineers | 17th Michigan: Col Constant Luce |
| Fourth Division   BG Edward Ferrero | 1st Brigade   Ltc Joshua K. Sigfried | 27th U.S. Colored Troops: Ltc Charles J. Wright 30th U.S. Colored Troops: Col Delevan Bates 39th U.S. Colored Troops: Col Ozora P. Stearns 43rd U.S. Colored Troops (7 companies): Ltc H. Seymour Hall |
| Fourth Division   BG Edward Ferrero | 2nd Brigade   Col Henry Goddard Thomas | 19th U.S. Colored Troops: Ltc Joseph G. Perkins 23rd U.S. Colored Troops: Col Cleaveland J. Campbell (w) 28th U.S. Colored Troops (6 companies): Ltc Charles S. Russell 29th U.S. Colored Troops: Ltc John A. Bross † 31st U.S. Colored Troops: Ltc W. E. W. Ross |
| Fourth Division   BG Edward Ferrero | Artillery Brigade   Ltc J. Albert Monroe | 2nd Battery Maine Light Artillery: Cpt James A. Hall 3rd Battery Maine Light Artillery: Cpt Ezekiel R. Mayo 7th Battery Maine Light Artillery: Cpt Adelbert B. Twitchell 11th Battery Massachusetts Light Artillery: Cpt Edward J. Jones 14th Battery Massachusetts Light Artillery: Cpt Joseph W. B. Wright 19th Battery New York Light Artillery: Cpt Edward W. Rogers 27th Battery New York Light Artillery: Cpt John B. Eaton 34th Battery New York Light Artillery: Cpt Jacob Roemer Battery D, Pennsylvania Light Artillery: Cpt George W. Durrell 3rd Battery Vermont Light Artillery: Cpt Romeo H. Start Mortar Battery: Cpt Benjamin F. Smiley |

### Army of the James

MG Benjamin F. Butler
Siege Artillery: Col Henry L. Abbot
* 1st Connecticut Heavy Artillery: Col Henry Larcom Abbot
** Company A: Cpt Edward A. Gillet
** Company B: Cpt Albert F. Booker
** Company M: Cpt Franklin A. Pratt

#### XVIII Corps

MG Edward Ord

##### X Corps

(attached to XVIII Corps)
| Division | Brigade | Regiments and Others |
| Second Division   BG John Wesley Turner | 1st Brigade   Col Newton Martin Curtis | 3rd New York: Cpt George W. Warren 112th New York: Ltc John F. Smith 117th New York: Ltc Rufus Daggett 142nd New York: Ltc Albert M. Barney |
| Second Division   BG John Wesley Turner | 2nd Brigade   Ltc William B. Coan | 47th New York: Cpt Charles A. Moore 48th New York: Maj Samuel M Swartwout (k), Cpt Joseph Taylor 76th Pennsylvania: Maj William S. Diller 97th Pennsylvania: Cpt Isaiah Price |
| Second Division   BG John Wesley Turner | 3rd Brigade   Col Louis Bell | 13th Indiana (3 companies): Lt Samuel M. Zent 9th Maine: Cpt Robert J. Gray 4th New Hampshire: Cpt Joseph M Clough (w), Cpt Frank W. Parker 115th New York: Ltc Nathan J. Johnson 169th New York: Maj James A. Colvin |