  | 
  | 
Army of the Tennessee  | 
Army of Mississippi  | 
Major General (Hiram) Ulysses S. Grant
 -- commanding Army of the Tennessee
 -- reporting to ?
 -- escorted by 4th Illinois Cavalry, Company A
 -- 1st Battalion Engineer Regiment of the West
 -- Acting Inspector General Brigadier General Jeremiah C. Sullivan  |   
Lieutenant General John Clifford Pemberton
 -- commanding the Army of Mississippi
 -- reporting to ?  | 
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9th Army Corps  | 
Stevenson's Division  | 
Major General John Grubb Parke
 -- commanding 9th Army Corps, Army of the Tennessee; 2nd United States Artillery, Battery E
 -- reporting to Maj. Gen. Ulysses S. Grant  |   
Major General Carter Littlepage Stevenson
 -- commanding Stevenson's Division, Army of Mississippi; five brigades; 1st Tennessee Cavalry, Company C; Botetourt Artillery; Signal Corps; 54th Alabama (detachment); City Guards, Signal Corps
 -- reporting to Lt. Gen. John Clifford Pemberton
 -- captured July 4, 1863 at Vicksburg, later paroled  | 
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  | 
First Division, 9th Army Corps  | 
1st Brigade, Stevenson's Division  | 
Brigadier General Thomas Welsh
 -- commanding First Division, 9th Army Corps, Army of the Tennessee; two brigades; 
  2nd New York Light Artillery, Battery L
 -- reporting to Maj. Gen. John Grubb Parke
 -- contracted malaria during Vicksburg campaign from which died in Cincinnati, Ohio ,August 14, 1863  |   
Brigadier General Seth Maxwell Barton
 -- commanding 1st Brigade, Stevenson's Division, Army of Mississippi; 40th Georgia, 41st Georgia, 42nd Georgia, 43rd Georgia, 52nd Georgia, Hudson's Battery, Pointe Coupee Artillery, Companies A, C
 -- captured July 4, 1863 at Vicksburg, later exchanged
 -- reporting to Maj. Gen. Carter Littlepage Stevenson  | 
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  | 
1st Brigade, First Division
 9th Army Corps  | 
2nd Brigade, Stevenson's Division  | 
Colonel Henry Bowman
 -- commanding 1st Brigade, First Division, 9th Army Corps, Army of the Tennessee: 36th Massachusetts, 17th Michigan, 27th Michigan, 45th Pennsylvania
 -- reporting to Brig. Gen. Thomas Welsh  |   
Brigadier General Alfred Cumming
 -- commanding 2nd Brigade, Stevenson's Division, Army of Mississippi; 34th Georgia, 36th Georgia, 39th Georgia, 56th Georgia, 57th Georgia, Cherokee Artillery
 -- captured July 4, 1863 at Vicksburg, later paroled
 -- reporting to Maj. Gen. Carter Littlepage Stevenson  | 
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  | 
2nd Brigade, First Division
 9th Army Corps  | 
3rd Brigade, Stevenson's Division  | 
Colonel Daniel Leasure
 -- commanding 3rd Brigade, First Division, 9th Army Corps, Army of the Tennessee: 2nd Michigan, 8th Michigan, 20th Michigan, 79th New York, 100th Pennsylvania
 -- reporting to Brig. Gen. Thomas Welsh  |   
Brigadier General Stephen Dill Lee
 -- commanding 3rd Brigade, Stevenson's Division, Army of Mississippi; 20th Alabama, 23rd Alabama, 30th Alabama, 31st Alabama, 31st Alabama, 46th Alabama, Alabama Battery
 --captured July 4, 1863 at Vicksburg, later paroled
 -- reporting to Maj. Gen. Carter Littlepage Stevenson  | 
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  | 
Second Division
 9th Army Corps  | 
4th Brigade, Stevenson's Division  | 
Brigadier General Robert Brown Potter
 -- commanding Second Division, 9th Army Corps, Army of the Tennessee; three brigades; 2nd New York Light Artillery, Battery E
 -- reporting to Maj. Gen. John Grubb Parke  |   
Colonel Alexander Welch Reynolds
 -- commanding 4th Brigade, Stevenson's Division, Army of Mississippi; 3rd Tennessee, 39th Tennessee, 43rd Tennessee, 59th Tennessee, 3rd Maryland Battery
 -- assumed captured July 4, 1863 at Vicksburg, later paroled
 -- reporting to Maj. Gen. Carter Littlepage Stevenson  | 
  |   
  | 
1st Brigade, Second Division
 9th Army Corps  | 
Waul's Texas Legion
 Stevenson's Division  | 
Colonel Simon Goodell Griffin
 -- commanding 1st Brigade, Second Division, 9th Army Corps, Army of the Tennessee: 6th New Hampshire, 9th New Hampshire, 7th Rhode Island
 -- reporting to Brig. Gen. Robert Brown Potter  |   
Colonel Thomas Neville Waul
 -- commanding Waul's Legion,  Stevenson's Division, Army of Mississippi; 1st Battalion, 2nd Battalion, Cavalry battalion, Atillery Company
 -- reporting to Maj. Gen. Carter Littlepage Stevenson  | 
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  | 
2nd Brigade, Second Division
 9th Army Corps  | 
Forney's Division  | 
Brigadier General Edward Ferrero
 -- commanding 2nd Brigade, Second Division, 9th Army Corps, Army of the Tennessee: 35th Massachusetts, 11th New Hampshire, 51st New York, 51st Pennsylvania
 -- reporting to Brig. Gen. Robert Brown Potter  |   
Major General John Horace Forney
 -- commanding Forney's Division, Army of Mississippi; two brigades
 -- reporting to Lt. Gen. John Clifford Pemberton
 -- captured July 4, 1863 at Vicksburg, later exchanged  | 
  |   
  | 
3rd Brigade, Second Division
 9th Army Corps  | 
Hebert's Brigade, Forney's Division  | 
Colonel Benjamin C. Christ
 -- commanding 3rd Brigade, Second Division, 9th Army Corps, Army of the Tennessee: 29th Massachusetts, 46th New York, 50th Pennsylvania
 -- reporting to Brig. Gen. Robert Brown Potter  |   
Brigadier General Louis Hebert
 -- commanding Hebert's Brigade, Forney's Division, Army of Mississippi; 3rd Louisiana, 21st Louisiana, 36th Mississippi, 37th Mississippi, 38th Mississippi, 43rd Mississippi, 7th Mississippi Battalion, 2nd Alabama Artillery Battalion, Appeal Battery
 -- reporting to Maj. Gen. John Horace Forney
 -- captured July 4, 1863 at Vicksburg, later paroled  | 
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  | 
13th Army Corps  |   
Moore's Brigade, Forney's Division  | 
Major General John Alexander McClernand
 -- commanding (to June 19, 1863) 13th Army Corps, Army of the Tennessee
 -- escort 3rd Illinois Cavalry, Company L
 -- Pioneers: Kentucky Infantry (Independent Company) -- reporting to Maj. Gen. Ulysses S. Grant  |   
Brigadier General John Creed Moore
 -- commanding Moore's Brigade, Forney's Division, Army of Mississippi; 37th Alabama, 40th Alabama, 42nd Alabama, 1st Mississippi Light Artillery, 35th Mississippi, 40th Mississippi, 2nd Texas, Alabama Battery, Pointe Coupee Artillery, Company B
 -- reporting to Maj. Gen. John Horace Forney
 -- captured July 4, 1863 at Vicksburg, later exchanged  | 
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  | 
13th Army Corps  |  
Smith's Division  | 
Major General Edward Cresap Ord
 -- commanding (from June 19, 1863) 13th Army Corps, Army of the Tennessee, beginning June 18, 1863
 -- escort 3rd Illinois Cavalry, Company L
 -- Pioneers: Kentucky Infantry (Independent Company)
 -- reporting to Maj. Gen. Ulysses S. Grant  |   
Major General Martin Luther Smith
 -- commanding Smith's Division,  Army of Mississippi; three brigades; 14th Mississippi Light Artillery Battalion, Mississippi Partisan Rangers, Signal Corps
 -- reporting to Lt. Gen. John Clifford Pemberton
 -- captured July 4, 1863 at Vicksburg, later exchanged  | 
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Ninth Division
 13th Army Corps  | 
Baldwin's Brigade, Smith's Division  | 
Brigadier General Peter Joseph Osterhaus
 -- commanding Ninth Division, 13th Army Corps, Army of the Tennessee; two brigades; 7th Battery, Michigan Light Artillery; 1st Battery, Wisconsin Light Artillery; 2nd Illinois Cavalry, 3rd Illinois Cavalry, 6th Missouri Cavalry
 -- reporting to Maj. Gens. John A. McClernand/Edward Ord  |   
Brigadier General William Edwin Baldwin
 -- commanding Baldwin's Brigade; 17th Louisiana, 31st Louisiana, 4th Mississippi, 46th Mississippi, Tennessee Battery
 -- reporting to Maj. Gen. Martin Luther Smith
 -- captured July 4, 1863 at Vicksburg, later exchanged
 -- killed near Dog River, Alabama, by fall from horse on February 19, 1864  | 
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  | 
1st Brigade, Ninth Division
 13th Army Corps  | 
Baldwin's Brigade, Smith's Division  | 
Brigadier General Albert Lindley Lee
 -- commanding (to May 19, 1863) 1st Brigade, Ninth Division, 13th Army Corps, Army of the Tennessee; 118th Illinois, 49th Indiana, 69th Indiana, 7th Kentucky, 120th Ohio to May 19, 1863
 -- wounded First Assault on Vicksburg, May 19, 1863, relieved by Colonel James Keigwin
 -- reporting to Brigadier General Peter Joseph Osterhaus  |   
Brigadier General John C. Vaughn
 -- commanding Vaughn's Brigade; 60th Tennessee, 61st Tennessee, 62nd Tennessee
 -- captured July 4, 1863 at Vicksburg, later paroled
 -- reporting to Maj. Gen. Martin Luther Smith  | 
  |   
  | 
1st Brigade, Ninth Division
 13th Army Corps  | 
Shoup's Brigade, Smith's Division  | 
Colonel James Keigwin
 -- commanding (from May 19, 1863) 1st Brigade, Ninth Division, 13th Army Corps, Army of the Tennessee; 118th Illinois, 49th Indiana, 69th Indiana, 7th Kentucky, 120th Ohio
 -- reporting to Brigadier General Peter Joseph Osterhaus  |   
Brigadier General Francis Asbury Shoup
 -- commanding Shoup's Brigade; 26th Louisiana, 27th Louisiana, 28th/29th Louisana, McNally's Battery
 -- captured July 4, 1863 at Vicksburg, later paroled
 -- reporting to Maj. Gen. Martin Luther Smith  | 
  |   
  | 
2nd Brigade, Ninth Division
 13th Army Corps  | 
Mississippi State Troops, Smith's Division  | 
Colonel Daniel Weisiger Lindsey
 -- commanding 2nd Brigade, 9th Division, 13th Army Corps: 54th Indiana, 22nd Kentucky, 16th Ohio, 42nd Ohio, 114th Ohio
 -- reporting to Brigadier General Peter Joseph Osterhaus  |   
Brigadier General Jeptha "John" Vining Harris
 -- commanding Mississippi militia; 5th Regiment, 3rd Battalion
 -- captured July 4, 1863 at Vicksburg, later exchanged
 -- reporting to Maj. Gen. Martin Luther Smith  | 
  |   
  | 
Tenth Division
 13th Army Corps  |  
Bowen's Division  | 
Brigadier General Andrew Jackson Smith
 -- commanding Tenth Division,  13th Army Corps, Army of the Tennessee; escort Company C, two brigades; 4th Indiana Cavalry; Chicago Mercantile Battery; 17th Company, Ohio Light Artillery
 -- reporting to Brigadier General Peter Joseph Osterhaus  |   
Major General John Stevens Bowen
 -- commanding Bowen's Division, Army of Mississippi; two brigades
 -- captured July 4, 1863 at Vicksburg, later paroled
 -- died July 13, 1863 of dsyentery acquired during siege of Vicksburg
 -- reporting to Lt. Gen. John Clifford Pemberton   | 
  |   
  | 
1st Brigade, Tenth Division
 13th Army Corps  |  
1st Brigade (Missouri), Bowen's Division  | 
Brigadier General Stephen Gano Burbridge
 -- commanding 1st Brigade, Tenth Division, 13th Army Corps, Army of Tennessee; 16th Indiana, 60th Indiana, 67th Indiana, 83rd Ohio, 96th Ohio, 23rd Wisconsin
 -- reporting to Brig. Gen. Andrew Jackson Smith  |   
Colonel Francis Marion Cockrell
 -- commanding 1st Brigade, Bowen's Division; 1st Missouri, 2nd Missouri, 3rd Missouri, 5th Missouri, 6th Missouri, Guibor's Missouri battery, Landis' Missouri battery, Wade's Missouri battery
 -- assumed captured July 4, 1863 at Vicksburg, later exchanged
 -- reporting to Maj. Gen. John Stevens Bowen  | 
  |   
  | 
2nd Brigade, Tenth Division
 13th Army Corps  | 
2nd Brigade, Bowen's Division  | 
Colonel William Jennings Landram
 -- commanding 2nd Brigade, Tenth Division, 13th Army Corps, Army of Tennessee; 77th Illinois, 97th Illinois, 130th Illinois, 19th Kentucky, 48th Ohio
 -- reporting to Brig. Gen. Andrew Jackson Smith  |   
Brigadier General Martin Edwin Green
 -- commanding (to June 27, 1863) 2nd Brigade , Bowen's Division; 15th Arkansas, 19th Arkansas, 20th Arkansas, 21st Arkansas, 1st Arkansas Cavalry Battalion, 12th Arkansas Battalion (sharpshooters), 1st Missouri Cavalry, 3rd Battalion Missouri Cavalry, 3rd Missouri Battery, Lowe's Battery (Missouri) -- reporting to Maj. Gen. John Stevens Bowen
 -- killed by sharpshooter at Vicksburg, Mississippi, June 27, 1863  | 
  |   
  | 
Twelfth Division
 13th Army Corps  | 
2nd Brigade, Bowen's Division  | 
Brigadier General Alvin Peterson Hovey
 -- commanding Twelfth Division, 13th Army Corps, Army of Tennessee;two brigades; Battery A, 1st Missouri Light Artillery; 2nd Battery, Ohio Light Artillery; 16th Battery, Ohio Light Artillery
 --escort 1st Indiana Cavalry, Company C  
 -- reporting to Brigadier General Peter Joseph Osterhaus  |   
Colonel Thomas Pleasant Dockery
 -- commanding (from June 27, 1863) 2nd Brigade, Bowen's Division; 15th Arkansas, 19th Arkansas, 20th Arkansas, 21st Arkansas, 1st Arkansas Cavalry Battalion, 12th Arkansas Battalion (sharpshooters), 1st Missouri Cavalry, 3rd Battalion Missouri Cavalry, 3rd Missouri Battery, Lowe's Battery (Missouri)
 -- captured July 4, 1863 at Vicksburg, later paroled
 -- reporting to Maj. Gen. John Stevens Bowen  | 
  | 
  | 
1st Brigade, Twelfth Division
 13th Army Corps  | 
River Batteries  | 
Brigadier General George Francis McGinnis
 -- commanding  1st Brigade, Twelfth Division, 13th Army Corps, Army of the Tennessee; 11th Indiana, 24th Indiana, 34th Indiana, 46th Indiana, 29th Wisconsin
 -- reporting to Brig. Gen. Alvin Peterson Hovey  |   
Colonel Edward Higgins
 -- commanding 1st Louisiana Artillery, 8th Louisiana Heavy Artillery Battalion, 22nd Louisiana, 1st Tennessee Heavy Artillery, Tennessee Batteries (3), Vaiden Battery (Mississippi)
 -- reporting to Lt. Gen. John Clifford Pemberton  | 
  |   
  | 
2nd Brigade, Twelfth Division
 13th Army Corps  | 
Colonel James Richard Slack
 -- commanding  2nd Brigade, Twelfth Division, 13th Army Corps, Army of the Tennessee; 87th Illinois, 47th Indiana, 24th Iowa, 28th Iowa, 56th Ohio
 -- reporting to Brig. Gen. Alvin Peterson Hovey  |   
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  |   
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Fourteenth Division
 13th Army Corps  | 
Brigadier General Eugene Asa Carr
 -- commanding Fourteenth Division, 13th Army Corps, Army of Tennessee; two brigades; Battery A, 2nd Illinois Light Artillery; 1st Battery, Indiana Light Artillery
 -- escort 3rd Illinois Cavalry, Company G
  
 -- reporting to Brigadier General Peter Joseph Osterhaus  |   
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  |   
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1st Brigade, Fourteenth Division
 13th Army Corps  | 
Brigadier General William Plummer Benton
 -- commanding (to May 31, 1863) 1st Brigade, Fourteenth Division, 13th Army Corps, Army of Tennessee; 33rd Illinois, 99th Illinois, 8th Indiana, 18th Indiana, 1st United States Artillery (siege guns)
 -- reporting to Brig. Gen. Eugene Asa Carr  |   
 | 
  |   
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1st Brigade, Fourteenth Division
 13th Army Corps  | 
Colonel Henry Dana Washburn
 -- commanding (May 31 to June 27, 1863) 1st Brigade, Fourteenth Division, 13th Army Corps, Army of Tennessee; 33rd Illinois, 99th Illinois, 8th Indiana, 18th Indiana, 1st United States Artillery (siege guns)
 -- reporting to Brig. Gen. Eugene Asa Carr  |   
 | 
  |   
 | 
1st Brigade, Fourteenth Division
 13th Army Corps  | 
Colonel David Shunk
 -- commanding (from June 27, 1863) 1st Brigade, Fourteenth Division, 13th Army Corps, Army of Tennessee; 33rd Illinois, 99th Illinois, 8th Indiana, 18th Indiana, 1st United States Artillery (siege guns)
 -- reporting to Brig. Gen. Eugene Asa Carr  |   
 | 
  |   
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2nd Brigade, Fourteenth Division
 13th Army Corps  | 
Brigadier General Michael Kelly Lawler
 -- commanding 2nd Brigade, Fourteenth Division, 13th Army Corps, Army of Tennessee; 21st Iowa, 22nd Iowa, 23rd Iowa, 11th Wisconsin
 -- reporting to Brig. Gen. Eugene Asa Carr  |   
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  |   
 | 
15th Army Corps  | 
Major General William Tecumseh Sherman
 -- commanding 15th Army Corps; 4th Iowa Cavalry (unattached)
 -- Chief-of-Staff Ltc. John Henry Hammond
 -- reporting to Maj. Gen. Ulysses S. Grant  |   
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  |   
 | 
First Division
 15th Army Corps  | 
Major General Frederick Steele
 -- commanding First Division,  15th Army Corps, Army of Tennessee; three brigades; 1st Battery Iowa Light Artillery; Battery F, 2nd Missouri Light Artillery; 4th Battery, Ohio Light Artillery; Kane County Independent Company (Cavalry); 3rd Illinois Cavalry, Company D
 -- reporting to Maj. Gen. William Tecumseh Sherman  |   
 | 
  |   
 | 
1st Brigade, First Division
 15th Army Corps  | 
Colonel Francis H. Manter
 -- commanding (to June 12, 1863) 1st Brigade, First Division, 15th Army Corps, Army of Tennessee; 13th Illinois, 27th Missouri, 29th Missouri, 30th Missouri, 31st Missouri, 32nd Missouri
 -- reporting to Major General Frederick Steele
 -- accidentally killed by falling from horse June 13, 1864, Little Rock, Arkansas  |   
 | 
  |   
 | 
1st Brigade, First Division
 15th Army Corps  | 
Colonel Bernard Gains Farrar
 -- commanding (from June 12, 1863) 1st Brigade, First Division, 15th Army Corps, Army of Tennessee; 13th Illinois, 27th Missouri, 29th Missouri, 30th Missouri, 31st Missouri, 32nd Missouri
 -- reporting to Major General Frederick Steele  |   
 | 
  |   
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2nd Brigade, First Division
 15th Army Corps  | 
 | 
Colonel Charles Robert Woods
 -- commanding 2nd Brigade, First Division, 15th Army Corps, Army of Tennessee; 25th Iowa, 31st Iowa, 3rd Missouri, 12th Missouri, 17th Missouri, 76th Ohio
 -- reporting to Major General Frederick Steele  |   
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  |   
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3rd Brigade, First Division
 15th Army Corps  | 
 | 
Brigadier General John Milton Thayer
 -- commanding 3rd Brigade, First Division, 15th Army Corps, Army of Tennessee; 4th Iowa, 9th Iowa, 26th Iowa, 30th Iowa
 -- reporting to Brig. Gen. Frederick Steele
 -- became governor of Nebraska  | 
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  |   
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Second Division
 15th Army Corps  | 
 | 
Major General Francis Preston Blair, Jr.
 -- commanding Second Division, 15th Army Corps; three brigades; Batteries A, B, C, 1st Illinois Light Artillery; 8th Battery, Ohio Light Artillery; 10th Missouri Cavalry, Company C
 -- reporting to Maj. Gen. William T. Sherman  | 
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  |   
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1st Brigade, Second Division
 15th Army Corps  | 
 | 
Colonel Giles Alexander Smith
 -- commanding 1st Brigade, Second Division,  15th Army Corps, Army of Tennessee; 113th Illinois, 116th Illinois, 6th Missouri, 8th Missouri, 13th U.S., 1st Battalion
 -- reporting to Maj. Gen. Francis Preston Blair, Jr.  | 
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  |   
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2nd Brigade, Second Division
 15th Army Corps  | 
 | 
Colonel Thomas Kilby Smith
 -- commanding (to May 24, 1863) 2nd Brigade, Second Division,  15th Army Corps, Army of Tennessee; 55th Illinois, 127th Illinois, 83rd Indiana, 54th Ohio, 57th Ohio
 -- reporting to Maj. Gen. Francis Preston Blair, Jr.  | 
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  |   
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2nd Brigade, Second Division
 15th Army Corps  | 
 | 
Brigadier General Joseph Andrew Jackson Lightburn
 -- commanding (from May 24, 1863) 2nd Brigade, Second Division,  15th Army Corps, Army of Tennessee; 55th Illinois, 127th Illinois, 83rd Indiana, 54th Ohio, 57th Ohio
 -- reporting to Maj. Gen. Francis Preston Blair, Jr.  | 
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  |   
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3rd Brigade, Second Division
 15th Army Corps  | 
 | 
Brigadier General Hugh Boyle Ewing
 -- commanding 3rd Brigade, Second Division,  15th Army Corps, Army of Tennessee; 30th Ohio, 37th Ohio, 47th Ohio, 4th West Virginia
 -- reporting to Maj. Gen. Francis Preston Blair, Jr.  | 
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Third Division
 15th Army Corps  | 
 | 
Brigadier General James Madison Tuttle
 -- commanding Third Division, 15th Army Corps; three brigades; Battery E, 1st Illinois Light Artillery; 2nd Battery, Iowa Light Artillery
 -- reporting to Maj. Gen. William T. Sherman  | 
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  |   
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1st Brigade, Third Division
 15th Army Corps  | 
 | 
Brigadier General Ralph Pomeroy Buckland
 -- commanding (to June 22, 1863) 1st Brigade, Third Division,  15th Army Corps, Army of Tennessee; 114th Illinois, 93rd Indiana, 72nd Ohio, 95th Ohio
 -- reporting to Brig. Gen. James Madison Tuttle  | 
 |   
  |   
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1st Brigade, Third Division
 15th Army Corps  | 
 | 
Colonel William Linn McMillen
 -- commanding (from June 22, 1863) 1st Brigade, Third Division,  15th Army Corps, Army of Tennessee; 114th Illinois, 93rd Indiana, 72nd Ohio, 95th Ohio
 -- reporting to Brig. Gen. James Madison Tuttle  | 
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  |   
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2nd Brigade, Third Division
 15th Army Corps  | 
 | 
Brigadier General Joseph Anthony Mower
 -- commanding 2nd Brigade, Third Division,  15th Army Corps, Army of Tennessee; 47th Illinois, 5th Minnesota, 11th Missouri, 8th Wisconsin
 -- reporting to Brig. Gen. James Madison Tuttle  | 
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  |   
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3rd Brigade, Third Division
 15th Army Corps  | 
 | 
Brigadier General Charles Leopold Matthies
 -- commanding (to June 1, 1863) 3rd Brigade, Third Division,  15th Army Corps, Army of Tennessee; 8th Iowa, 12th Iowa, 35th Iowa
 -- reporting to Brig. Gen. James Madison Tuttle  | 
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  |   
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3rd Brigade, Third Division
 15th Army Corps  | 
 | 
Colonel Joseph Jackson Woods
 -- commanding (from June 1, 1863) 3rd Brigade, Third Division,  15th Army Corps, Army of Tennessee; 8th Iowa, 12th Iowa, 35th Iowa
 -- reporting to Brig. Gen. James Madison Tuttle  | 
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  |   
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16th Army Corps (detachment)  | 
 | 
Major General Cadwallader Colden Washburn
 -- commanding 16th Army Corps (detachment of three divisions); 
 -- reporting to Maj. Gen. Ulysses S. Grant  | 
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  |   
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First Division
 16th Army Corps 
(joined campaign June 12, 1863) | 
 | 
Brigadier General William Sooy Smith
 -- commanding First Division,  16th Army Corps, Army of Tennessee; four brigades; Batteries F, I, Cogswell's, 1st Illinois Light Artillery; 6th Battery, Indiana Light Artillery
 -- escort 7th Illinois Cavalry, Company B
 -- reporting to Maj. Gen.Cadwallader Colden Washburn  | 
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  |   
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1st Brigade, First Division
 16th Army Corps  | 
 | 
Colonel John Mason Loomis
 -- commanding 1st Brigade, First Division, 16th Army Corps, Army of Tennessee; 26th Illinois, 90th Illinois, 12th Indiana, 100th Indiana
 -- reporting to Brig. Gen. William Sooy Smith  | 
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  |   
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1st Brigade, First Division
 16th Army Corps  | 
 | 
Colonel Sanford James Stoughton
 -- commanding 1st Brigade, First Division,  16th Army Corps, Army of Tennessee; 26th Illinois, 90th Illinois, 12th Indiana, 100th Indiana
 -- reporting to Brig. Gen. William Sooy Smith  | 
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  |   
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2nd Brigade, First Division
 16th Army Corps  | 
 | 
Colonel Stephen G. Hicks
 -- commanding 2nd Brigade, First Division,  16th Army Corps, Army of Tennessee; 40th Illinois, 103rd Illinois, 15th Michigan, 46th Ohio
 -- reporting to Brig. Gen. William Sooy Smith  |   
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  |   
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3rd Brigade, First Division
 16th Army Corps  | 
 | 
Colonel Joseph Randolph Cockerill
 -- commanding 3rd Brigade, First Division,  16th Army Corps, Army of Tennessee; 97th Indiana, 99th Indiana, 53rd Ohio, 70th Ohio
 -- reporting to Brig. Gen. William Sooy Smith  |   
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  |   
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4th Brigade, First Division
 16th Army Corps  | 
 | 
Colonel William Wilson Sanford
 -- commanding 4th Brigade, First Division,  16th Army Corps, Army of Tennessee; 48th Illinois, 6th Iowa
 -- reporting to Brig. Gen. William Sooy Smith  |   
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  |   
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Fourth Division
 16th Army Corps 
(joined campaign May 13 to 20, 1863) | 
 | 
Brigadier General Jacob Gartner Lauman
 -- commanding Fourth Division,  16th Army Corps, Army of Tennessee; Batteries E, K, 2nd Illinois Light Artillery; Batteries 5, 7, 15, Ohio Light Artillery; 15th Illinois Cavalry, Companies F, I
 -- reporting to Maj. Gen.Cadwallader Colden Washburn  |   
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  |   
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1st Brigade, Fourth Division
 16th Army Corps  | 
 | 
Colonel Isaac Campbell Pugh
 -- commanding 1st Brigade, Fourth Division,  16th Army Corps, Army of Tennessee; 41st Illinois, 53rd Illinois, 3rd Iowa, 33rd Wisconsin
 -- reporting to Brig. Gen.Jacob Gartner Lauman  |   
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  |   
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2nd Brigade, Fourth Division
 16th Army Corps  | 
 | 
Colonel Cyrus Hall
 -- commanding 2nd Brigade, Fourth Division,  16th Army Corps, Army of Tennessee; 14th Illinois, 15th Illinois, 46th Illinois, 76th Illinois, 53rd Indiana (transferred to 3rd Brigade June 22, 1863)
 -- reporting to Brig. Gen.Jacob Gartner Lauman  |   
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  |   
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3rd Brigade, Fourth Division
 16th Army Corps  | 
 | 
Colonel George E. Bryant
 -- commanding (to June 9, 1863) 3rd Brigade, Fourth Division,  16th Army Corps, Army of Tennessee; 28th Illinois, 32nd Illinois, 12th Wisconsin, 53rd Indiana (transferred from 2nd Brigade June 22, 1863)
 -- reporting to Brig. Gen. Jacob Gartner Lauman  |   
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  |   
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3rd Brigade, Fourth Division
 16th Army Corps  | 
 | 
Colonel Amory K. Johnson
 -- commanding (from June 9, 1863) 3rd Brigade, Fourth Division,  16th Army Corps, Army of Tennessee; 28th Illinois, 32nd Illinois, 12th Wisconsin, 53rd Indiana (transferred from 2nd Brigade June 22, 1863)
 -- reporting to Brig. Gen. Jacob Gartner Lauman  |   
 | 
  |   
 | 
Provisional Division
 16th Army Corps 
(Composed of  First and Second Brigades of the Third Division and four regiments from the Sixth Division.  Joined campaign from Memphis, Tenn., June 3) | 
 | 
Brigadier General Nathan Kimball
 -- commanding Provisional Division,  16th Army Corps, Army of Tennessee
 -- reporting to Maj. Gen.Cadwallader Colden Washburn  |   
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  |   
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Engelmann's Brigade
 Provisional Division
 16th Army Corps  | 
 | 
Colonel Adolph Engelmann
 -- commanding Engelmann's Brigade, Provisional Division,  16th Army Corps, Army of Tennessee; 43rd Illinois, 61st Illinois, 106th Illinois, 12th Michigan
 -- reporting to Brig. Gen. Nathan Kimball  |   
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  |   
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Richmond's Brigade
 Provisional Division
 16th Army Corps  | 
 | 
Colonel Jonathan Richmond
 -- commanding Richmond's Brigade, Provisional Division,  16th Army Corps, Army of Tennessee; 18th Illinois, 54th Illinois, 126th Illinois, 22nd Ohio
 -- reporting to Brig. Gen. Nathan Kimball  |   
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  |   
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Montgomery's Brigade
 Provisional Division
 16th Army Corps  | 
 | 
Colonel Milton Montgomery
 -- commanding Montgomery's Brigade, Provisional Division,  16th Army Corps, Army of Tennessee; 40th Iowa, 3rd Minnesota, 25th Wisconsin, 27th Wisconsin
 -- reporting to Brig. Gen. Nathan Kimball  |   
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  |   
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17th Army Corps  | 
 | 
Major General James Birdseye McPherson
 -- commanding 17th Army Corps, Army of Tennessee; 5th Illinois Cavalry, 3rd Iowa, 2nd Wisconsin
 -- escort 4th Company Ohio Cavalry
 -- reporting to Maj. Gen. Ulysses S. Grant
 -- killed at Battle of Atlanta, July 22, 1864  |   
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  |   
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Third Division    
 17th Army Corps  | 
 | 
Major General John Alexander Logan
 -- commanding Third Division, 17th Army Corps, Army of Tennessee; Battery D, 1st Illinois Light Artillery; Batteries G, L, 2nd Illinois Light Artillery; 8th Battery, Michigan Light Artillery; 3rd Battery, Ohio Light Artillery
 -- escort 2nd Illinois Cavalry, Company A
 -- reporting to Maj. Gen. James Birdseye McPherson  |   
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  |   
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1st Brigade, Third Division      
 17th Army Corps  | 
 | 
Brigadier General John Eugene Smith
 -- commanding (to June 3, 1863) 1st Brigade, Third Division, 17th Army Corps, Army of Tennessee; 20th Illinois, 31st Illinois, 45th Illinois, 124th Illinois, 23rd Indiana
 -- reporting to Maj. Gen. John Alexander Logan  |   
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  |   
 | 
1st Brigade, Third Division      
 17th Army Corps  | 
 | 
Brigadier General Mortimer D. Leggett
 -- commanding (from June 3, 1863) 1st Brigade, Third Division, 17th Army Corps, Army of Tennessee; 20th Illinois, 31st Illinois, 45th Illinois, 124th Illinois, 23rd Indiana
 -- reporting to Maj. Gen. John Alexander Logan  |   
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  |   
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2nd Brigade, Third Division      
 17th Army Corps  | 
 | 
Colonel Manning Ferguson Force
 -- commanded by Brig. Gen. Mortimer Leggett until June 3  
 -- commanding (from June 3, 1863) 2nd Brigade, Third Division, 17th Army Corps, Army of Tennessee; 30th Illinois, 20th Ohio, 68th Ohio, 78th Ohio
 -- reporting to Maj. Gen. John Alexander Logan  |   
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  |   
 | 
3rd Brigade, Third Division      
 17th Army Corps  | 
 | 
Brigadier General John Dunlap Stevenson
 -- commanding 3rd Brigade, Third Division, 17th Army Corps, Army of Tennessee; 8th Illinois, 17th Illinois, 81st Illinois, 7th Missouri, 32nd Ohio
 -- reporting to Maj. Gen. John Alexander Logan  |   
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  |   
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Sixth Division      
 17th Army Corps  | 
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Brigadier General John McArthur
 -- commanding Sixth Division, 17th Army Corps, Army of Tennessee; Battery F, 2nd Illinois Light Artillery; 1st Battery, Minnesota Light Artillery; Battery C, 1st Missouri Light Artillery; 10th Battery, Ohio Light Artillery
 -- escort 11th Illinois Cavalry, Company G
 -- reporting to Maj. Gen. James Birdseye McPherson  |   
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1st Brigade, Sixth Division
 17th Army Corps 
(posted at Lake Providence, Louisiana) | 
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Brigadier General Hugh Thompson Reid
 -- commanding 1st Brigade, Sixth Division, 17th Army Corps, Army of Tennessee; 1st Kansas, 16th Wisconsin
 -- reporting to Brig. Gen. John McArthur  |   
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2nd Brigade, Sixth Division
 17th Army Corps  | 
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Brigadier General Thomas Edwin Greenfield Ransom
 -- commanding 2nd Brigade, Sixth Division, 17th Army Corps, Army of Tennessee; 11th Illinois, 72nd Illinois, 95th Illinois, 14th Wisconsin, 17th Wisconsin
 -- reporting to Brig. Gen. John McArthur
 -- died of dysentery while in command in Georgia, October 29, 1864  |   
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3rd Brigade, Sixth Division
 17th Army Corps  | 
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Colonel William Hall
 -- commanding (to June 6, 1863) 3rd Brigade, Sixth Division, 17th Army Corps, Army of Tennessee; 11th Iowa, 13th Iowa, 15th Iowa, 16th Iowa
 -- reporting to Brig. Gen. John McArthur  |   
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3rd Brigade, Sixth Division
 17th Army Corps  | 
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Colonel Alexander Chambers
 -- commanding (from June 6, 1863) 3rd Brigade, Sixth Division, 17th Army Corps, Army of Tennessee; 11th Iowa, 13th Iowa, 15th Iowa, 16th Iowa
 -- reporting to Brig. Gen. John McArthur  |   
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Seventh Division
 17th Army Corps  | 
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Brigadier General Isaac Ferdinand Quinby 
 -- commanding (to June 3, 1863) Seventh Division, 17th Army Corps, Army of Tennessee; Battery M, 1st Missouri Light Artillery; 11th Battery, Ohio Light Artillery; 6th, 12th Batteries, Wisconsin Light Artillery
 -- escort 4th Missouri Cavalry, Company F
 -- reporting to Maj. Gen. James Birdseye McPherson  |   
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Seventh Division
 17th Army Corps  | 
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Brigadier General John E. Smith
 -- commanding (from June 3, 1863) Seventh Division, 17th Army Corps, Army of Tennessee; Battery M, 1st Missouri Light Artillery; 11th Battery, Ohio Light Artillery; 6th, 12th Batteries, Wisconsin Light Artillery
 -- escort 4th Missouri Cavalry, Company F
  
 -- reporting to Maj. Gen. James Birdseye McPherson  |   
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1st Brigade, Seventh Division
 17th Army Corps  | 
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Colonel John Benjamin Sanborn
 -- commanding 1st Brigade, Seventh Division, 17th Army Corps, Army of Tennessee; 48th Indiana, 59th Indiana, 4th Minnesota, 18th Wisconsin
 -- reporting to Brig. Gens. Isaac Ferdinand Quinby and John E. Smith  |   
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2nd Brigade, Seventh Division
 17th Army Corps  | 
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Colonel Samuel Ashbury Holmes
 -- commanding (to June 10, 1863) 2nd Brigade, Seventh Division, 17th Army Corps, Army of Tennessee; 56th Illinois, 17th Iowa, 10th Missouri, 24th Missouri, 80th Ohio
 -- reporting to Brig. Gens. Isaac Ferdinand Quinby and John E. Smith  |   
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2nd Brigade, Seventh Division
 17th Army Corps  | 
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Colonel Green Berry Raum
 -- commanding (from June 10, 1863) 2nd Brigade, Seventh Division, 17th Army Corps, Army of Tennessee; 56th Illinois, 17th Iowa, 10th Missouri, 24th Missouri, 80th Ohio
 -- reporting to Brig. Gens. Isaac Ferdinand Quinby and John E. Smith  |   
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3rd Brigade, Seventh Division
 17th Army Corps  | 
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Colonel George Boardman Boomer
 -- commanding (to May 22, 1863) 3rd Brigade, Seventh Division, 17th Army Corps, Army of Tennessee; 93rd Illinois, 5th Iowa, 10th Iowa, 26th Missouri
 -- reporting to Brig. Gens. Isaac Ferdinand Quinby and John E. Smith
 -- killed during Second Assault on Vicksburg, May 22, 1863  |   
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3rd Brigade, Seventh Division
 17th Army Corps  | 
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Colonel Holden Putnam
 -- commanding (from May 22 to June 2, 1863) 3rd Brigade, Seventh Division, 17th Army Corps, Army of Tennessee; 93rd Illinois, 5th Iowa, 10th Iowa, 26th Missouri
 -- reporting to Brig. Gens. Isaac Ferdinand Quinby and John E. Smith
 -- killed at Battle of Missionary Ridge, Tennessee, November 25, 1863  |   
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3rd Brigade, Seventh Division
 17th Army Corps  | 
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Brigadier General Charles Leopold Matthies
 -- commanding (from June 2, 1863) 3rd Brigade, Seventh Division, 17th Army Corps, Army of Tennessee; 93rd Illinois, 5th Iowa, 10th Iowa, 26th Missouri
 -- reporting to Brig. Gens. Isaac Ferdinand Quinby and John E. Smith  |   
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Herron's Division
 17th Army Corps 
(joined from Deptartment of Missouri, June 11, 1863) | 
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Major General Francis Jay Herron
 -- commanding  Herron's Division, 17th Army Corps, Army of Tennessee; 93rd Illinois, 5th Iowa, 10th Iowa, 26th Missouri
 -- reporting to Maj. Gen. James Birdseye McPherson  |   
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1st Brigade, Herron's Division
 17th Army Corps  | 
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Brigadier General William Vandever
 -- commanding  1st Brigade, Herron's Division, 17th Army Corps, Army of Tennessee; 37th Illinois, 26th Indiana, 20th Iowa, 34th Iowa, 38th Iowa, Batteries E, F, 1st Missouri Light Artillery
 -- reporting to Maj. Gen. Francis Jay Herron   |   
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2nd Brigade, Herron's Division
 17th Army Corps  | 
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Brigadier General William Ward Orme
 -- commanding  2nd Brigade, Herron's Division, 17th Army Corps, Army of Tennessee; 94th Illinois, 19th Iowa, 20th Wisconsin, Battery B, 1st Missouri Light Artillery
 -- reporting to Maj. Gen. Francis Jay Herron   |   
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Unattached Cavalry, Herron's Division
 17th Army Corps  | 
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Colonel Cyrus Bussey
 -- commanding  cavalry, Herron's Division, 17th Army Corps, Army of Tennessee; 5th Illinois Cavalry, 3rd Iowa Cavalry, 2nd Wisconsin Cavalry
 -- reporting to Maj. Gen. James Birdseye McPherson  |   
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