Confederate Organisations – Corps and Equivalents

Confederate Organisations – Corps and Equivalents, and Reserve Forces

Army Corps were not authorised officially in the Confederate army until 18 September 1862. However, the term was in unofficial use prior to this date, along with terms such as “Wing”, “Command”, or other terms to denote a group of Divisions. Sometimes a Corps was a little larger than a division; at other times, a Corps might contain several divisions.

The Corps was the largest formation within the major armies, but they were never officially numbered in the Confederate army. The terms I Corps, II Corps, III Corps etc., are modern conventional descriptors. By convention, Confederate Corps designations (for example, I Corps), were numbered only within its parent army. Therefore, there are many duplications of name (e.g., I Corps Northern Virginia, I Corps Mississippi, I Corps Tennessee, all existing simultaneously.

At the time of the Civil War, a Confederate Corps was usually named after its commander, e.g., Longstreet’s Corps. The use of the commander’s name by general practice meant that there was rarely confusion at the time. If a number was ever used it was written in words, e.g. First Corps. Some Armies had only one named Corps and others had none. Use of the convention Roman numeral makes it easier for historians to trace the continuity of commands when their commanders’ names changed.

Some Corps only ever served within one field Army or Department while a few e. g. I Corps Northern Virginia, were transferred from Department to Department. Corps usually remained with their parent army but were occasionally detached to operate independently e. g. Longstreet’s Corps operated in Southern Virginia in 1863, Early‘s Corps operated in the Shenandoah Valley in 1864, Breckinridge’s Reserve Corps operated at Baton Rouge in 1862. A Corps operated temporarily with another field army on only one occasion when Longstreet’s I Corps of the Army of Northern Virginia was transferred temporarily to the Army of Tennessee in the autumn of 1863. It returned the following spring but always retained its designation as part of the Army of Northern Virginia on attachment.

There were never more than nine or ten active Confederate Corps and usually no more than five or six at any one time. These were broken up or reorganised occasionally. The transfer in and out of brigades or divisions from Corps to Corps was not seen as good practice but happened more frequently in the West than in the East.

As manpower resources dwindled, each State was required to create Reserve Forces comprising men too old or too young to join the main armies. They were not expected to undertake active operations, although some did, but were more of a Home Guard or local militia force intended to assist in maintaining order and control.

Index

First Grand Division (I Corps) Mississippi 5 March 1862-29 March 1862
Second Grand Division Mississippi 5 March 1862-29 March 1862

Centre Wing Northern Virginia 13 March 1862-4 May 1862
Left Wing Tennessee 19 September 1863-21 September 1863
Right Wing Tennessee 19 September 1863-21 September 1863
Reserve Northern Virginia 4 May 1862-25 June 1862

I Corps Mississippi #1 29 March 1862-15 August 1862
Right Wing (I Corps) Mississippi 15 August 1862-7 November 1862
I Corps Mississippi #2 7 November 1862-20 November 1862
I Corps Mississippi #3 7 December 1862-20 May 1863
I Corps (Right Wing) Northern Virginia 13 March 1862-25 June 1862
I Corps (Longstreet’s Command) Northern Virginia 25 June 1862-16 July 1862
I Corps (Longstreet’s Right Wing) Northern Virginia 16 July 1862-4 September 1862
I Corps (Longstreet’s Command) Northern Virginia 4 September 1862-6 November 1862
I Corps Northern Virginia #1 6 November 1862-26 February 1863
I Corps Northern Virginia #2 6-May 1863-9 September 1863
I Corps Northern Virginia #3 7 April 1864-9 April 1865
I Corps Northern Virginia attached Tennessee 9 September 1863-7 April 1864
I Corps Potomac 25 September 1861-13 March 1862
I Corps Southern Virginia 26 February 1863-6 May 1863
I Corps Tennessee 20 November 1862-26 April 1865
I Corps Trans-Mississippi #1 28 September 1862-30 January 1863
I Corps Trans-Mississippi #2 4 August 1864-31 March 1865
I Corps Valley 27 June 1864-27 September 1864
II Corps Mississippi #1 29 March 1862-15 August 1862
Left Wing (II Corps) Mississippi 15 August 1862-7 November 1862
II Corps Mississippi #2 7 November 1862-20 November 1862
II Corps Mississippi #3 7 December 1862-20 May 1863
II Corps Tennessee 20 November 1862-26 April 1865
III Corps Mississippi #1 29 March 1862-15 August 1862
III Corps Mississippi #2 (Army of Kentucky) 13 October 1862-20 November 1862
II Corps (Left Wing) Northern Virginia 13 March 1862-25 June 1862
II Corps (Jackson’s Command) Northern Virginia 25 June 1862-16 July 1862
II Corps (Jackson’s Left Wing) Northern Virginia 16 July 1862-4 September 1862
II Corps (Jackson’s Command) Northern Virginia 4 September 1862-6 November 1862
II Corps Northern Virginia #1 6 November 1862-12 June 1864
II Corps Northern Virginia #2 27 September 1864-9 April 1865
II Corps Potomac 25 September 1861-13 March 1862
II Corps Trans-Mississippi 4 August 1864-31 March 1865
II Corps Valley 27 June 1864-27 September 1864
III Corps Northern Virginia 30 May 1863-2 April 1865
Smith’s III Corps Tennessee (Army of Kentucky) 20 November 1862-23 December 1862
III Corps Tennessee #1 23 July 1863-31 October 1863
III Corps Tennessee #2 4 May 1864-26 April 1865
III Corps Trans-Mississippi 4 August 1864-31 March 1865
IV Corps Northern Virginia 19 October 1864-8 April 1865
Cavalry Corps Northern Virginia 30 May 1863-12 May 1864
Cavalry Corps Tennessee 16 March 1863-22 February 1865
Cavalry Corps Trans-Mississippi #1 4 August 1864-8 September 1864
Cavalry Corps Trans-Mississippi #2 3 December 1864-12 March 1865
Reserve Corps Mississippi 6 March 1862-4 November 1862
Reserve Corps Trans-Mississippi 10 September 1864-26 May 1865
Reserve Corps Tennessee 23 August 1863-4 November 1863

Magruder’s Command Northern Virginia 25 June 1862-16 July 1862

Reserve Forces of Alabama 30 April 1864-4 May 1865
Reserve Forces of Florida 30 April 1864-10 May 1865
Reserve Forces of Georgia 30 March 1864-26 April 1865
Reserve Forces of Mississippi 23 July 1864-4 May 1865
Reserve Forces of North Carolina 18 April 1864-26 April 1865
Reserve Forces of South Carolina 30 April 1864-10 May 1865
Reserve Forces of Tennessee 1 September 1864-4 May 1865
Reserve Forces of Texas 24 June 1864-10 September 1864
Reserve Forces of Virginia 30 April 1864-5 April 1865

Chronological Index in Order of Establishment

I Corps Potomac
25 September 1861-13 March 1862
Pierre Gustave Toutant Beauregard 25 September 1861-4 October 1861
Earl Van Dorn 4 October 1861-10 January 1862
James Longstreet 10 January 1862-13 March 1862
26 September 1862: “I Corps” was established unofficially in the Army of the Potomac.
13 March 1862: I Corps Potomac was renamed Right Wing Northern Virginia.

II Corps Potomac
25 September 1861-13 March 1862
Gustavus Woodson Smith 25 September 1861-13 March 1862
25 September 1861: “II Corps” was established unofficially in the Army of the Potomac.
13 March 1862: II Corps Potomac was renamed Left Wing Northern Virginia.

First Grand Division (I Corps) Mississippi
5 March 1862-29 March 1862
Leonidas Polk 5 March 1862-29 March 1862
5 March 1862: The First Grand Division was established in the Army of Mississippi.
29 March 1862: First Grand Division Mississippi was discontinued, and renamed I Corps Mississippi.

Second Grand Division Mississippi
5 March 1862-29 March 1862
Braxton Bragg 5 March 1862-29 March 1862
5 March 1862: The Second Grand Division was established in the Army of Mississippi.
29 March 1862: Second Grand Division Mississippi was discontinued and renamed II Corps Mississippi.

Reserve Corps Mississippi
6 March 1862-4 November 1862
George Bibb Crittenden 6 March 1862-31 March 1862 interim 6 April 1862
John Cabell Breckinridge temporary 31 March 1862-5 April 1862, 6 April 1862-30 June 1862
Jones Mitchell Withers temporary 30 June 1862-3 July 1862
John Cabell Breckinridge 3 July 1862-5 August 1862
Jones Mitchell Withers 5 August 1862-20 November 1862
5 March 1862: Reserve Corps Mississippi was established in the Army of Mississippi.
28 October 1862: The Army of Middle Tennessee was established from forces taken from Reserve Corps Mississippi in the District of Middle Tennessee.
20 November 1862: Reserve Corps Mississippi was discontinued, and its forces were incorporated into II Corps Tennessee.

I Corps (Right Wing) Northern Virginia
13 March 1862-25 June 1862
James Longstreet 13 March 1862-25 June 1862
13 March 1862: Right Wing Northern Virginia was established in the Army of Northern Virginia.
25 June 1862: Right Wing Northern Virginia was renamed Longstreet’s Command Northern Virginia.

II Corps (Left Wing) Northern Virginia
13 March 1862-25 June 1862
Gustavus Woodson Smith 13 March -25 June 1862
13 March 1862: Left Wing Northern Virginia was established in the Army of Northern Virginia.
25 June 1862: The Army of the Valley was discontinued and incorporated into the Army of Northern Virginia as part of Jackson’s Command Northern Virginia. Left Wing Northern Virginia was renamed Jackson’s Command Northern Virginia.

Centre Wing Northern Virginia
13 March 1862-4 May 1862
Daniel Harvey Hill 13 March 1862-4 May 1862
13 March 1862: Centre Wing Northern Virginia was established in the Army of Northern Virginia.
4 May 1862: Centre Wing Northern Virginia was discontinued, and its forces assigned to Reserve Northern Virginia.

I Corps Mississippi #1
29 March 1862-15 August 1862
Leonidas Polk 29 March 1862-15 August 1862
29 March 1862: I Corps Mississippi was established from First Grand Division Mississippi in the Army of Mississippi.
15 August 1862: I Corps Mississippi was discontinued, and renamed Right Wing Mississippi.

II Corps Mississippi #1
29 March 1862-15 August 1862
Braxton Bragg 29 March 1862-6 May 1862
Thomas Carmichael Hindman temporary 6 May 1862-2 June 1862
Samuel Jones 2 June 1862-15 August 1862
29 March 1862: II Corps Mississippi was established from Second Grand Division Mississippi.
27 June 1862: The Army of Mobile was discontinued, and its field forces incorporated into II Corps Mississippi.
15 August 1862: II Corps Mississippi was discontinued, and its forces merged with III Corps Mississippi to become Left Wing Mississippi.

III Corps Mississippi #1
29 March 1862-15 August 1862
William Joseph Hardee 29 March 1862-15 August 1862
29 March 1862: III Corps Mississippi was established in the Army of Mississippi.
15 August 1862: III Corps Mississippi was discontinued and merged with II Corps Mississippi to join Left Wing Mississippi.

Reserve Northern Virginia
4 May 1862-25 June 1862
John Bankhead Magruder 4 May 1862-25 June 1862
4 May 1862: Reserve Northern Virginia was established in the Army of Northern Virginia from Centre Wing Northern Virginia.
25 June 1862: Reserve Northern Virginia was renamed Magruder’s Command Northern Virginia.

I Corps (Longstreet’s Command) Northern Virginia
25 June 1862-16 July 1862
James Longstreet 25 June 1862-16 July 1862
25 June 1862: Longstreet’s Command Northern Virginia was established in the Army of Northern Virginia, comprising the former Right Wing Northern Virginia.
16 July 1862: Longstreet’s Command Northern Virginia was renamed Longstreet’s Right Wing Northern Virginia.

II Corps (Jackson’s Command) Northern Virginia
25 June 1862-16 July 1862
Thomas Jonathan Jackson 25 June 1862-16 July 1862
25 June 1862: Jackson’s Command Northern Virginia was established in the Army of Northern Virginia, comprising the former Left Wing Northern Virginia.
16 July 1862: Jackson’s Command Northern Virginia was renamed Jackson’s Left Wing Northern Virginia.

Magruder’s Command Northern Virginia
25 June 1862-16 July 1862
John Bankhead Magruder 25 June 1862-16 July 1862
25 June 1862: Magruder’s Command Northern Virginia was established in the Army of Northern Virginia from Reserve Northern Virginia.
16 July 1862: Magruder’s Command Northern Virginia was discontinued.

I Corps (Longstreet’s Right Wing) Northern Virginia
16 July 1862-4 September 1862
James Longstreet 16 July 1862-4 September 1862
16 July 1862: Longstreet’s Right Wing Northern Virginia was established, comprising the former Longstreet’s Command and parts of Magruder’s Command.
4 September 1862: Longstreet’s Right Wing Northern Virginia was renamed Longstreet’s Command Northern Virginia.

II Corps (Jackson’s Left Wing) Northern Virginia
16 July 1862-4 September 1862
Thomas Jonathan Jackson 16 July 1862-4 September 1862
16 July 1862: Jackson’s Left Wing Northern Virginia was established, comprising the former Jackson’s Command and parts of Magruder’s Command.
4 September 1862: Jackson’s Left Wing Northern Virginia was renamed Jackson’s Command Northern Virginia.

Right Wing (I Corps) Mississippi
15 August 1862-7 November 1862
Leonidas Polk 5 March 1862-24 October 1862
Benjamin Franklin Cheatham 24 October 1862-7 November 1862
15 August 1862: Right Wing Mississippi was established in the Army of Mississippi, comprising forces from I Corps Mississippi.
7 November 1862: Right Wing Mississippi was discontinued, and renamed I Corps Mississippi.

Left Wing (II Corps) Mississippi
15 August 1862-7 November 1862
William Joseph Hardee 15 August 1862-7 November 1862
15 August 1862: Left Wing Mississippi was established in the Army of Mississippi, comprising forces from II Corps Mississippi and III Corps Mississippi.
7 November 1862: Left Wing Mississippi was discontinued, and renamed II Corps Mississippi.

I Corps (Longstreet’s Command) Northern Virginia
4 September 1862-6 November 1862
James Longstreet 4 September 1862-6 November 1862
4 September 1862: Longstreet’s Command Northern Virginia was established in the Army of Northern Virginia from Longstreet’s Right Wing Northern Virginia.
6 November 1862: Longstreet’s Command Northern Virginia was renamed I Corps Northern Virginia.

II Corps (Jackson’s Command) Northern Virginia
4 September 1862-6 November 1862
Thomas Jonathan Jackson 4 September 1862-6 November 1862
4 September 1862: Jackson’s Command Northern Virginia was established from Jackson’s Left Wing Northern Virginia.
6 November 1862: Jackson’s Command Northern Virginia was renamed II Corps Northern Virginia.

I Corps Trans-Mississippi #1
28 September 1862-30 January 1863
Vacant 28 September 1862-30 January 1863
28 September 1862: I Corps Trans-Mississippi was established to operate in north-western Arkansas, south-western Missouri, and the Indian Territory.
30 January 1863: I Corps Trans-Mississippi was discontinued, and forces were assigned to the Southwest Army and the Defences of Vicksburg.

III Corps Mississippi #2 (Army of Kentucky)
13 October 1862-20 November 1862
Edmund Kirby Smith 8 March 1862-20 November 1862
13 October 1862: III Corps Mississippi was re-established in the Army of Mississippi, comprising the forces of the Army of Kentucky, and retained both names concurrently.
20 November 1862: III Corps Mississippi Army of Kentucky was discontinued, and renamed as Smith’s Corps Tennessee.

I Corps Northern Virginia #1
6 November 1862-26 February 1863
James Longstreet 6 November 1862-26 February 1863
6 November 1862: I Corps Northern Virginia was established in the Army of Northern Virginia from Longstreet’s Command Northern Virginia.
26 February 1863: I Corps Northern Virginia transferred from the Army of Northern Virginia to the Department of Southern Virginia.

II Corps Northern Virginia #1
6 November 1862-12 June 1864
Thomas Jonathan Jackson 6 November 1862-2 May 1863
Ambrose Powell Hill temporary 2 May 1863
Robert Emmett Rodes temporary 2 May 1863
James Ewell Brown Stuart temporary 2 May 1863-6 May 1863
Ambrose Powell Hill temporary 6 May 1863-7 May 1863 interim 10 May 1863
Jubal Anderson Early temporary 10 May 1863-30 May 1863
Richard Stoddert Ewell 7 May 1863-15 November 1863
Jubal Anderson Early temporary 15 November 1863-4 December 1863-
Richard Stoddert Ewell 4 December 1863-29 May 1864
Jubal Anderson Early temporary 29 May 1864-3 June 1864, 4 June 1864-12 June 1864
6 November 1862: II Corps Northern Virginia was established in the Army of Northern Virginia from Jackson’s Command.
12 June 1864: II Corps Northern Virginia was transferred from the Army of Northern Virginia to the Valley District and renamed unofficially the Army of the Valley.

I Corps Mississippi #2
7 November 1862-20 November 1862
Leonidas Polk 7 November 1862-20 November 1862
7 November 1862: I Corps Mississippi was established in the Army of Mississippi, from Right Wing Mississippi.
20 November 1862: I Corps Mississippi was discontinued, and renamed I Corps Tennessee.

II Corps Mississippi #2
7 November 1862-20 November 1862
William Joseph Hardee 7 November 1862-20 November 1862
7 November 1862: II Corps Mississippi was established in the Army of Mississippi, from Left Wing Mississippi.
20 November 1862: II Corps Mississippi was discontinued and renamed II Corps Tennessee.

I Corps Tennessee
20 November 1862-26 April 1865
Benjamin Franklin Cheatham interim 20 November 1862-26 November 1862
Leonidas Polk 20 November 1862-29 September 1863
Benjamin Franklin Cheatham temporary 29 September 1863-23 October 1863
William Joseph Hardee 23 October 1863-2 December 1863
Benjamin Franklin Cheatham 2 December 1863-27 December 1863
William Joseph Hardee 27 December 1863-31 August 1864
Benjamin Franklin Cheatham temporary 31 August 1864-1 September 1864
William Joseph Hardee 1 September 1864-2 September 1864
Patrick Ronayne Cleburne 2 September 1864-28 September 1864
Benjamin Franklin Cheatham 28 September 1864-23 February 1865
William Joseph Hardee 23 February 1865-16 March 1865
Daniel Harvey Hill temporary 16 March 1865-9 April 1865
William Joseph Hardee 9 April 1865-26 April 1865
20 November 1862: I Corps Tennessee was established in the Army of Tennessee from I Corps Mississippi.
19 September 1863: I Corps Tennessee transferred to Right Wing Tennessee.
21 September 1863: I Corps Tennessee transferred from Right Wing Tennessee to the Army of Tennessee.
31 October 1863: III Corps Tennessee was discontinued, and its forces were incorporated into I Corps Tennessee and II Corps Tennessee.
4 November 1863: Reserve Corps Tennessee was discontinued, and its forces were incorporated into I Corps Tennessee.
26 April 1865: I Corps Tennessee surrendered.

II Corps Tennessee
20 November 1862-26 April 1865
William Joseph Hardee 20 November 1862-19 July 1863 interim 24 July 1863
Daniel Harvey Hill 19 July 1863-15 October 1863
John Cabell Breckinridge temporary 15 October 1863-7 November 1863, 8 November 1863-15 December 1863
Thomas Carmichael Hindman 15 December 1863-9 February 1864 interim 28 February 1864
John Bell Hood 9 February 1864-18 July 1864
Carter Littlepage Stevenson temporary 18 July 1864-19 July 1864
Benjamin Franklin Cheatham temporary 19 July 1864-27 July 1864
Stephen Dill Lee 27 July 1864-17 December 1864
Carter Littlepage Stevenson temporary 17 December 1864-22 February 1865
Braxton Bragg 22 February 1865-9 April 1865
Stephen Dill Lee 9 April 1865-26 April 1865
20 November 1862: II Corps Tennessee was established in the Army of Tennessee from II Corps Mississippi.
20 November 1862: Reserve Corps Mississippi was discontinued, and its forces were incorporated into II Corps Tennessee. The Army of Middle Tennessee was discontinued, and its forces were incorporated into II Corps Tennessee.
19 September 1863: II Corps Tennessee transferred from the Army of Tennessee to Right Wing Tennessee.
21 September 1863: II Corps Tennessee transferred from Right Wing Tennessee to the Army of Tennessee,
31 October 1863: III Corps Tennessee was discontinued, and its forces were incorporated into I Corps Tennessee and II Corps Tennessee.
26 April 1865: II Corps Tennessee surrendered.

Smith’s III Corps Tennessee (Army of Kentucky)
20 November 1862-23 December 1862
Edmund Kirby Smith 20 November 1862-23 December 1862
20 November 1862: Smith’s Corps Tennessee was established in the Army of Tennessee from III Corps Mississippi Army of Kentucky. The force continued to be referred to unofficially as the “Army of Kentucky”.
23 December 1862: Smith’s III Corps Tennessee was discontinued.

I Corps Mississippi #3
7 December 1862-20 May 1863
Earl Van Dorn 7 December 1862-15 December 1862
William Wing Loring temporary 15 December 1862-20 May 1863
7 December 1862: I Corps Mississippi was established in the Army of Mississippi, comprising the former Army of West Tennessee.
20 May 1863: I Corps Mississippi was discontinued.

II Corps Mississippi #3
7 December 1862-20 May 1863
Sterling Price 7 December 1862-28 February 1863
7 December 1862: II Corps Mississippi was established in the Army of Mississippi.
28 February 1863: II Corps Mississippi was discontinued.

I Corps Southern Virginia
26 February 1863-6 May 1863
James Longstreet 26 February 1863-6 May 1863
26 February 1863: I Corps Northern Virginia transferred from the Army of Northern Virginia to the Department of Southern Virginia.
6 May 1863: I Corps Southern Virginia transferred from the Department of Southern Virginia to the Army of Northern Virginia.

Cavalry Corps Tennessee
16 March 1863-22 February 1865
Earl Van Dorn 16 March 1863-May 7 163
George Blake Cosby 7 May 1863-8 May 1863
William Hicks Jackson 8 May 1863-18 July 1863
Joseph Wheeler 18 July 1863-24 November 1863
William Thompson Martin temporary 24 November 1863-2 December 1863
Joseph Wheeler 2 December 1863-15 November 1864
Nathan Bedford Forrest temporary 15 November 1864-16 December 1864, 16 December 1864-22 February 1865
16 March 1863: “Cavalry Corps” was established unofficially in the Army of Tennessee.
29 September 1863: Cavalry Corps was established officially in the Army of Tennessee, comprising forces in the hitherto unofficial Cavalry Corps Tennessee.
22 February 1865: Cavalry Corps Tennessee was discontinued.

I Corps Northern Virginia #2
6 May 1863-9 September 1863
James Longstreet 16 May 1863-9 September 1863
6 May 1863: I Corps Southern Virginia transferred from the Department of Southern Virginia to the Army of Northern Virginia.
9 September 1863: I Corps Northern Virginia transferred from the Army of Northern Virginia to the Army of Tennessee.

III Corps Northern Virginia
30 May 1863-2 April 1865
Ambrose Powell Hill 30 May 1863-8 May 1864
Jubal Anderson Early temporary 8 May 1864-21 May 1864
Ambrose Powell Hill 21 May 1864-2 April 1865
30 May 1863: III Corps Northern Virginia was established in the Army of Northern Virginia.
2 April 1865: III Corps Northern Virginia was discontinued, and incorporated into I Corps Northern Virginia.

Cavalry Corps Northern Virginia
30 May 1863-12 May 1864
James Ewell Brown Stuart 30 May 1863-12 May 1864
30 May 1863: Cavalry Corps Northern Virginia was established in the Army of Northern Virginia.
12 May 1864: Cavalry Corps Northern Virginia was discontinued

III Corps Tennessee #1
23 July 1863-31 October 1863
Simon Bolivar Buckner 23 July 1863-25 July 1863, temporary 25 July 1863-2 September 1863, 3 September 1863-19 September 1863
Simon Bolivar Buckner 19 September 1863-31 October 1863
23 July 1863: III Corps Tennessee was established in the Army of Tennessee, comprising the field forces of the Department of East Tennessee and the former Army of East Tennessee. 
25 July 1863: III Corps Tennessee transferred with the Army of Tennessee to the Department of Tennessee.
19 September 1863: III Corps Tennessee transferred from the Army of Tennessee to Right Wing Tennessee.
21 September 1863: III Corps Tennessee transferred from Right Wing Tennessee to the Army of Tennessee.
31 October 1863: III Corps Tennessee was discontinued, and its forces were incorporated into I Corps Tennessee and II Corps Tennessee.

Reserve Corps Tennessee
23 August 1863-4 November 1863
William Henry Talbot Walker 23 August 1863-4 November 1863
23 August 1863: Reserve Corps Tennessee was established in the Army of Tennessee.
19 September 1863: Reserve Corps Tennessee transferred from the Army of Tennessee to Right Wing Tennessee.
21 September 1863: Reserve Corps Tennessee transferred from Right Wing Tennessee to the Army of Tennessee,
29 September 1863: Reserve Corps Tennessee was attached temporarily to I Corps Northern Virginia for operations in Eastern Tennessee.
4 November 1863: Reserve Corps Tennessee was discontinued, and its forces were incorporated into I Corps Tennessee.

I Corps Northern Virginia (attached Tennessee)
9 September 1863-7 April 1864
James Longstreet 9 September 1863-18 September 1863
John Bell Hood temporary 18 September 1863-20 September 1863
Lafayette McLaws temporary 20 September 1863-7 April 1864
9 September 1863: I Corps Northern Virginia transferred from the Army of Northern Virginia to the Army of Tennessee.
19 September 1863: I Corps Northern Virginia transferred from Army of Tennessee to Right Wing Tennessee.
21 September 1863: I Corps Northern Virginia transferred from Right Wing Tennessee to Army of Tennessee.
29 September 1863: Reserve Corps Tennessee was attached to I Corps Northern Virginia for operations in Eastern Tennessee.
3 December 1863: I Corps Northern Virginia transferred from the Army of Tennessee to the District of East Tennessee.
7 April 1864: I Corps Northern Virginia transferred from the District of Tennessee to the Army of Northern Virginia.

Left Wing Tennessee
19 September 1863-21 September 1863
Leonidas Polk 19 September 1863-21 September 1863
19 September 1863: Left Wing Tennessee was established in the Army of Tennessee, I Corps Tennessee transferred from the Army of Tennessee to Left Wing Tennessee. II Corps Tennessee transferred from the Army of Tennessee to Left Wing Tennessee. Reserve Corps Tennessee transferred from the Army of Tennessee to Left Wing Tennessee.
21 September 1863: I Corps Tennessee transferred from Left Wing Tennessee to the Army of Tennessee. II Corps Tennessee transferred from Left Wing Tennessee to the Army of Tennessee. Reserve Corps Tennessee transferred from Left Wing Tennessee to the Army of Tennessee. Left Wing Tennessee was discontinued.

Right Wing Tennessee
19 September 1863-21 September 1863
James Longstreet 19 September 1863-21 September 1863
19 September 1863: Right Wing Tennessee was established in the Army of Tennessee, comprising comprised I Corps Northern Virginia reinforced by Major-General Bushrod Tyler Johnson’s division, III Corps Tennessee, and Major-General Thomas Carmichael Hindman’s division from I Corps Tennessee. I Corps Northern Virginia transferred from the Army of Tennessee to Right Wing Tennessee. III Corps Tennessee transferred from the Army of Tennessee to Right Wing Tennessee. 
21 September 1863: III Corps Tennessee transferred from Right Wing Tennessee to the Army of Tennessee. I Corps Northern Virginia transferred from Right Wing Tennessee to the Army of Tennessee. Right Wing Tennessee was discontinued.

Reserve Forces of Georgia
30 March 1864-26 April 1865
Thomas Howell Cobb 30 March 1864-20 April 1865
Vacant 20 April 1865-26 April 1865
30 March 1864: Reserve Forces of Georgia was established comprising all remaining forces of Georgia Militia.
26 April 1865: Reserve Forces of Georgia surrendered.

I Corps Northern Virginia #3
7 April 1864-9 April 1865
James Longstreet 7 April 1864-6 May 1864
Charles William Field 6 May 1864-7 May 1864
Richard Heron Anderson 7 May 1864-17 October 1864
James Longstreet 17 October 1864-9 April 1865
7 April 1864: I Corps Northern Virginia transferred from the District of Tennessee to the Army of Northern Virginia.
2 April 1865: III Corps Northern Virginia was discontinued, and incorporated into I Corps Northern Virginia.
9 April 1865: I Corps Northern Virginia surrendered.

Reserve Forces of North Carolina
18 April 1864-26 April 1865
Theophilus Hunter Holmes 18 April 1864-26 April 1865
18 April 1864: The Reserve Forces of North Carolina was activated.
26 April 1865: Reserve Forces of North Carolina surrendered.

Reserve Forces of Alabama
30 April 1864-4 May 1865
Jones Mitchell Withers 20 April 1864-4 May 1865
30 April 1864: Reserve Forces of Alabama was established.
27 July 1864: Reserve Forces of Alabama was activated for duty.
4 May 1865: The Reserve Forces of Alabama surrendered.

Reserve Forces of Florida
30 April 1864-10 May 1865
John King Jackson 30 April 1864-8 September 1864
William Miller 8 September 1864-10 May 1865
30 April 1864: Reserve Forces of Florida was established.
8 September 1864: Reserve Forces of Florida were activated.
10 May 1865: The Reserve Forces of Florida surrendered.

Reserve Forces of South Carolina
30 April 1864-10 May 1865
James Chesnut 30 April 1864-25 April 1865
Vacant 26 April 1865-10 May 1865
30 April 1864: Reserve Forces of South Carolina was established.
10 May 1865: The Reserve Forces of South Carolina surrendered.

Reserve Forces of Virginia
30 April 1864-5 April 1865
James Lawson Kemper 30 April 1864-5 April 1865
30 April 1864: Reserve Forces of Virginia was established.
5 April 1865: The Reserve Forces of Virginia was discontinued, and its field forces consolidated into II Corps Northern Virginia.

III Corps Tennessee #2
4 May 1864-26 April 1865
Leonidas Polk 4 May 1864-14 June 1864
Alexander Peter Stewart temporary 14 June 1864
William Wing Loring temporary 14 June 1864-29 July 1864
Benjamin Franklin Cheatham temporary 29 July 1864-15 August 1864
Alexander Peter Stewart temporary 15 August 1864-16 March 1865
Edward Cary Walthall temporary 16 March 1865-9 April 1865
Alexander Peter Stewart 9 April 1865-26 April 1865
4 May 1864: III Corps Tennessee was re-established from the former Army of Mississippi. It continued to be referred to unofficially as the “Army of Mississippi”.
14 June 1864: III Corps Tennessee ceased to be referred to unofficially as the “Army of Mississippi”.
26 April 1865: III Corps Tennessee surrendered.

Reserve Forces of Texas
24 June 1864-10 September 1864
Jerome Bonaparte Robertson 24 June 1864-10 September 1864
24 June 1864: Reserve Forces of Texas was established.
10 September 1864: Reserve Forces of Texas was discontinued, and activated as the Reserve Corps Trans-Mississippi.

I Corps Valley
27 June 1864-27 September 1864
Robert Emmett Rodes 27 June 1864-19 September 1864
Stephen Dodson Ramseur temporary 19 September 1864-27 September 1864
27 June 1864: “I Corps Valley” was established unofficially in the “Army of the Valley” from II Corps Northern Virginia.
27 September 1864: “I Corps Valley” was discontinued.

II Corps Valley
27 June 1864-27 September 1864
John Cabell Breckinridge 27 June 1864-27 September 1864
27 June 1864: “II Corps Valley” was established unofficially in the “Army of the Valley” from II Corps Northern Virginia.
27 September 1864: “I Corps Valley” was discontinued.

Reserve Forces of Mississippi
23 July 1864-4 May 1865
William Lindsay Brandon 23 July 1864-4 May 1865
23 July 1864: The Reserve Forces of Mississippi was established.
4 May 1865: The Reserve Forces of Mississippi surrendered.

I Corps Trans-Mississippi #2
4 August 1864-31 March 1865
Simon Bolivar Buckner 4 August 1864-31 March 1865
4 August 1864: I Corps Trans-Mississippi was re-established in the Trans-Mississippi Army.
31 March 1865: I Corps Trans-Mississippi was discontinued.

II Corps Trans-Mississippi
4 August 1864-31 March 1865
John Bankhead Magruder 4 August 1864-31 March 1865
4 August 1864: II Corps Trans-Mississippi was established in the Trans-Mississippi Army.
31 March 1865: II Corps Trans-Mississippi was discontinued.

III Corps Trans-Mississippi
4 August 1864-31 March 1865
John George Walker 4 August 1864-31 March 1865
4 August 1864: III Corps Trans-Mississippi was established in the Trans-Mississippi Army.
31 March 1865: III Corps Trans-Mississippi was discontinued.

Cavalry Corps Trans-Mississippi #1
4 August 1864-8 September 1864
Sterling Price 4 August 1864-8 September 1864
4 August 1864: Cavalry Corps Trans-Mississippi was established in the Trans-Mississippi Army.
8 September 1864: Cavalry Corps Trans-Mississippi was discontinued, and its forces designated the Army of Missouri.

Reserve Forces of Tennessee
1 September 1864-4 May 1865
John Cabell Breckinridge 1 September 1864-4 May 1865
1 September 1864: Reserve Forces of Tennessee was established.
4 May 1865: The Reserve Forces of Tennessee surrendered.

Reserve Corps Trans-Mississippi
10 September 1864-26 May 1865
Jerome Bonaparte Robertson 10 September 1864-12 September 1864
Thomas Pleasant Dockery 12 September 1864-27 March 1865
Elkanah Brackin Greer 27 March 1865-26 May 1865
10 September 1864: Reserve Corps Trans-Mississippi was established in the Trans-Mississippi Army from the Reserve Forces of Texas.
26 May 1865: Reserve Corps Trans-Mississippi surrendered.

II Corps Northern Virginia #2
27 September 1864-9 April 1865
Jubal Anderson Early 27 September 1864-9 December 1864
John Brown Gordon 9 December 1864-9 April 1865
27 September 1864: II Corps Northern Virginia was reinstated in the Army of Northern Virginia from the unofficial “Army of the Valley”.
5 April 1865: The Reserve Forces of Virginia was discontinued, and its field forces consolidated into II Corps Northern Virginia.
6 April 1865: The Department of Richmond surrendered, and its field forces were incorporated into II Corps Northern Virginia.
8 April 1865: IV Corps Northern Virginia was discontinued, and incorporated into II Corps Northern Virginia.
9 April 1865: II Corps Northern Virginia surrendered.

IV Corps Northern Virginia
19 October 1864-8 April 1865
Richard Heron Anderson 17 October 1864-8 April 1865
19 October 1864: IV Corps Northern Virginia was established in the Army of Northern Virginia.
8 April 1865: IV Corps Northern Virginia was discontinued, and incorporated into II Corps Northern Virginia.

Cavalry Corps Trans-Mississippi #2
3 December 1864-12 March 1865
Sterling Price 3 December 1864-12 March 1865
3 December 1864: Cavalry Corps Trans-Mississippi was re-established in the Trans-Mississippi Army from the former Army of Missouri.
12 March 1865: Cavalry Corps Trans-Mississippi was discontinued.