The following Union Army units and commanders fought in the Battle of Wauhatchie of the American Civil War. The Confederate order of battle is listed separately. Order of battle compiled from the casualty returnsOfficial Records, Series I, Volume XXXI, Part 1, pages 74-76 and the reports.Official Records, Series I, Volume XXXI, Part 1, pages 952-953
Abbreviations used
Military rank 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
Hooker's Command MG Joseph Hooker
Chief of Staff: MG Daniel Butterfield
XI Corps
MG Oliver O. Howard
DivisionBrigade Regiments and OthersSecond Division
BG Adolph von Steinwehr 1st BrigadeIn reserve
Col Adolphus Buschbeck 134th New York 154th New York 27th Pennsylvania 73rd Pennsylvania 2nd Brigade
Col Orland Smith 33rd Massachusetts: Col Adin B. Underwood (w), Ltc Godfrey Rider Jr. 136th New York: Col James Wood 55th OhioOn picket duty 73rd Ohio: Maj Samuel H. HurstThird Division
MG Carl Schurz 1st Brigade
BG Hector Tyndale 101st Illinois 45th New York 143rd New York 61st Ohio 82nd Ohio 2nd Brigade
Col Wlodzimierz Krzyzanowski 58th New York 119th New York 141st New York 26th Wisconsin 3rd Brigade82nd Illinois attached to the 3rd Brigade on October 21, 1863 (see: Itinerary 1st Brigade, Third Division, XI Corps), but was not mentioned in Schurz's report
Col Friedrich Hecker 80th Illinois (6 companies) 68th New York 75th Pennsylvania Cavalry 1st Alabama (part of one company)See: Hooker's and Howard's reports 5th Tennessee, Company G
XII Corps
DivisionBrigade Regiments and OthersSecond Division1st Brigade (5th, 7th, 29th and 66th Ohio and 28th and 147th Pennsylvania) not present
BG John W. Geary 2nd Brigade
Col George A. Cobham, Jr. 29th Pennsylvania: Col William Rickards, Jr., Ltc Samuel M. ZulickOn guard duty (see: Geary's, Cobham's and Rickards reports) 109th Pennsylvania: Cpt Frederick L. Gimber 111th Pennsylvania: Ltc Thomas M. Walker (w), Maj John A. Boyle (k) 3rd Brigade60th New York detached at Whiteside Pike (see: Geary's and Ireland's reports); 102nd New York also belonged to this Brigade, but acted as escort to the division ambulance train, en route from Murfreesborough to Bridgeport (see: Geary's report and Itinerary 3rd Brigade, Second Division, XII Corps)
BG George S. Greene (w)
Col David Ireland 78th New York: Ltc Herbert von Hammerstein 137th New York: Col David Ireland, Ltc Koert S. Van Voorhees (w), Cpt Milo B. Eldredge 149th New York: Ltc Charles B. Randall Artillery Brigade
Maj John A. ReynoldsThe command of Battery E, Pennsylvania Light Artillery devolved on Reynolds as the only Artillery Officer present after Atwell and Geary were mortally wounded (see: Geary's and Reynolds' reports) Battery E, Pennsylvania Light Artillery (2 sections): Cpt Charles A. Atwell (mw), Lt Edward R. Geary (mw)
See also Chattanooga campaign order of battle: Union
References
Further reading 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.