The following Union Army units and commanders fought in the Battle of Spotsylvania Court House (May 8–21, 1864) of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the casualty returns and the reports. Abbreviations used Military rank LTG = Lieutenant General MG = Major General BG = Brigadier General Col = Colonel Ltc = Lieutenant Colonel Maj = Major Cpt = Captain Other w = wounded k = killed c = captured Forces operating against Richmond May 8–16, 1864 LTG Ulysses S. Grant, General-in-Chief, Union armies Escort: 5th United States Cavalry, Companies B, F and K IX Corps MG Ambrose E. Burnside Chief of Staff: MG John G. Parke Army of the Potomac MG George G. Meade General Staff: Chief of Staff: MG Andrew A. Humphreys Assistant Adjutant General: BG Seth Williams Chief Quartermaster: BG Rufus Ingalls General Headquarters: Provost Guard: BG Marsena R. Patrick 1st Massachusetts Cavalry, Companies C and D 80th New York (20th Militia) 3rd Pennsylvania Cavalry 68th Pennsylvania 114th Pennsylvania Engineer Troops: 50th New York Engineers Battalion United States Engineers Guards and Orderlies: Independent Company Oneida (New York) Cavalry II Corps MG Winfield S. Hancock Escort: 1st Vermont Cavalry, Company M V Corps MG Gouverneur K. Warren Provost Guard: 12th New York Battalion VI Corps MG John Sedgwick (k) BG Horatio G. Wright Escort: 8th Pennsylvania Cavalry, Company A Cavalry Corps MG Philip H. Sheridan Escort: 6th United States Artillery BG Henry J. Hunt | 2nd Brigade Horse Artillery Cpt Dunbar R. Ransom | 1st United States, Batteries E and G 1st United States, Batteries H and I 1st United States, Battery K 2nd United States, Battery A 2nd United States, Battery G 3rd United States, Batteries C, F, and K |- | Artillery Park Ltc Freeman McGilvery | 15th New York Heavy, 2nd Battalion |} See also Wilderness Union order of battle Cold Harbor Union order of battle Notes References Rhea, Gordon C. The Battles for Spotsylvania Court House and the Road to Yellow Tavern May 7–12, 1864. Baton Rouge: Louisiana State University Press, 1997. Rhea, Gordon C. To The North Anna River: Grant and Lee May 13–25, 1864. Baton Rouge: Louisiana State University Press, 2000. U.S. War Department, The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies, U.S. Government Printing Office, 1880–1901. American Civil War orders of