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.
LTG = Lieutenant General
MG = Major General
BG = Brigadier General
Col = Colonel
Ltc = Lieutenant Colonel
Maj = Major
Cpt = Captain
Lt = Lieutenant
w = wounded
mw = mortally wounded
k = killed in action
c = captured
LTG Ulysses S. Grant, commander in chief
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 Washington 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
MG Ambrose Burnside
Provost Guard:
8th United States: Cpt Milton Cogswell
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
MG Edward Ord
X Corps
(attached to XVIII Corps)