Editing Siege of Petersburg (section)

===Union===
{{Further-text|[[Second Petersburg Union order of battle|Union order of battle at Second Petersburg]], [[First Deep Bottom Union order of battle|Union order of battle at First Deep Bottom]], [[Crater Union order of battle|Union order of battle at the Crater]], [[Globe Tavern Union order of battle|Union order of battle at Globe Tavern]], [[Chaffin's Farm Union order of battle|Union order of battle at Chaffin's Farm]], [[Boydton Plank Road Union order of battle|Union order of battle at Boydton Plank Road]]}}

{| align=right
!bgcolor="#99ccff"|Key Union commanders
|-
|<gallery perrow="3">
File:GenUSGrant.jpg|{{center|Lt. Gen.<br />[[Ulysses S. Grant]]}}
File:George G. Meade Standing.jpg|{{center|Maj. Gen.<br />[[George G. Meade]]}}
File:Benjamin Franklin Butler politician - Brady-Handy.jpg|{{center|Maj. Gen.<br />[[Benjamin Butler (politician)|Benjamin Butler]]}}
</gallery>
|}
At the beginning of the campaign, Grant's Union forces consisted of the [[Army of the Potomac]], under Meade, and the [[Army of the James]], under Butler.

The Army of the Potomac included:<ref>Trudeau, pp. 486–92.</ref>
*[[II Corps (Union Army)|II Corps]], under Maj. Gen. [[Winfield S. Hancock]], including the divisions of Maj. Gens. David B. Birney and [[John Gibbon]] and [[Brigadier general (United States)|Brig. Gen.]] [[Francis C. Barlow]].
*[[V Corps (Union Army)|V Corps]], under Maj. Gen. [[Gouverneur K. Warren]], including the divisions of Brig. Gens. [[Charles Griffin]], [[Romeyn B. Ayres]], [[Samuel W. Crawford]], and [[Lysander Cutler]].
*[[VI Corps (Union Army)|VI Corps]], under Maj. Gen. [[Horatio G. Wright]], including the divisions of Brig. Gens. [[David Allen Russell|David A. Russell]], [[Thomas H. Neill]], and [[Truman Seymour]]. (The VI Corps was on detached service in the [[Shenandoah Valley]] from mid-July to early December 1864.)<ref>Trudeau, p. 489.</ref>
*[[IX Corps (Union Army)|IX Corps]], under Maj. Gen. [[Ambrose Burnside]], including the divisions of Brig. Gens. [[James H. Ledlie]], [[Robert B. Potter]], [[Orlando B. Willcox]], and [[Edward Ferrero]] (the latter division being manned by [[United States Colored Troops]] [USCTs]). Maj. Gen. [[John G. Parke]] replaced Burnside after the [[Battle of the Crater]].<ref>Trudeau, p. 490.</ref>
*[[Cavalry Corps (Union Army)|Cavalry Corps]], under Maj. Gen. [[Philip H. Sheridan]], including the divisions of Brig. Gens. [[Alfred Thomas Torbert|Alfred T.A. Torbert]], [[David McM. Gregg]], and [[James H. Wilson]]. Sheridan and much of his command were on detached service in the Shenandoah Valley from mid-July 1864 to late March 1865. Upon their return, Sheridan often referred to his Cavalry Corps as the [[Union Army of the Shenandoah|Army of the Shenandoah]], reflecting their role in the [[Valley Campaigns of 1864]].<ref>Trudeau, p. 491.</ref>

The Army of the James included:<ref>Trudeau, pp. 492–95.</ref>
*[[X Corps (Union Army)|X Corps]], under Maj. Gen. [[Quincy A. Gillmore]] (initially - June 15, 1864), Maj. Gen [[David B. Birney]] (from July 23, 1864 – October 10, 1864) and Brig. Gen. [[Alfred Terry|Alfred H. Terry]],<ref>Formerly commanded the corps' first division.</ref><ref>Welcher, p. 455</ref> including the divisions of Brig. Gens. [[Robert Sanford Foster|Robert S. Foster]] and [[Adelbert Ames]].
*[[XVIII Corps (Union Army)|XVIII Corps]], under Maj. Gen. [[William Farrar Smith|William F. "Baldy" Smith]], including the divisions of Brig. Gens. [[William T. H. Brooks]], [[John H. Martindale]], and [[Edward W. Hinks]] (the latter also a USCT division).
*[[XXIV Corps (Union Army)|XXIV Corps]], under Maj. Gen. [[Edward O.C. Ord]], including the divisions of Brig. Gen. Robert S. Foster, Maj. Gen. [[Thomas M. Harris]], and Brig. Gen. [[Charles Devens]].
*[[XXV Corps (Union Army)|XXV Corps]], under Maj. Gen. [[Godfrey Weitzel]], including the divisions of Brig. Gens. [[Charles J. Paine]], [[William Birney]], and [[Edward A. Wild]].
*Cavalry Division, under Brig. Gen. [[August Kautz]].

On December 3, 1864, the racially integrated X Corps and XVIII Corps were reorganized to become the all-white XXIV Corps and the all-black (officers excepted) XXV Corps.<ref>Trudeau, p. 485.</ref>

Grant made his headquarters in a cabin on the lawn of [[Appomattox Manor]], the home of [[Richard Eppes]] and the oldest home (built in 1763) in what was then [[City Point, Virginia|City Point]], but is now [[Hopewell, Virginia]].