< to July • August 1864 • to September >
Commanded by Major General Lew Wallace
| First Separate Brigade | Brigadier General Erastus B. Tyler |
|
| 1st Delaware Cavalry Regiment | ||
| 1st Maryland Eastern Shore Regiment | Colonel James Wallace | |
| 12th Maryland Infantry Regiment | ||
| 1st New Jersey National Guard | mustered out | |
| 93rd New York National Guard | William R. W. Chambers | mustered out |
| 157th Ohio Infantry Regiment | Colonel George W. McCook | mustered out |
| 195th Pennsylvania Infantry Regiment | Colonel William B. Thomas | from Pennsylvania |
| 3rd Pennsylvania Heavy Artillery, Co. H | Captain William D. Rank | from 3 Sep. Brig. (below) |
| Second Separate Brigade | Brevet Brigadier General William W. Morris | |
| 5th Massachusetts Infantry Regiment | from 3 Sep. Brig. | |
| 131st Ohio Infantry Regiment | Colonel John G. Lowe | to Ohio to muster out |
| 137th Ohio Infantry Regiment | Colonel L. A. Harris | to Ohio to muster out |
| 192nd Pennsylvania Infantry Regiment | Colonel William B. Thomas | to Johnson’s Island, Ohio |
| 2nd United States Artillery, Battys. H&K | from Dept. Gulf | |
| Third Separate Brigade | Brigadier General Henry H. Lockwood |
|
| 7th Delaware Infantry Regiment | mustered out 8/12 | |
| 11th Maryland Infantry Regiment | ||
| 5th Massachusetts Infantry Regiment | to 2 Sep. Brig. | |
| 8th Massachusetts Infantry Regiment | from Massachusetts | |
| 144th Ohio Infantry Regiment, Co. G | to Ohio to muster out 8/20 | |
| 149th Ohio Infantry Regiment | Colonel Allison L. Brown | to Ohio to muster out |
| 159th Ohio Infantry Regiment | Colonel Lyman J. Jackson | to Ohio to muster out 8/13 |
| 193rd Pennsylvania Infantry Regiment | Colonel John B. Clark | |
| 194th Pennsylvania Infantry Regiment | Colonel James Nagle | |
| 196th Pennsylvania Infantry Regiment | Colonel Harmanus Neff | to Camp Douglas, IL |
| 197th Pennsylvania Infantry Regiment | Colonel John R. Haslett | to Rock Island, IL |
| Smith’s Maryland Cavalry Company | Captain G.W.P. Smith | |
| Fort Delaware | ||
| Ahl’s Delaware Heavy Artillery Co. | ||
| Pennsylvania Independent Battery A | ||
| Pennsylvania Independent Battery G | Captain Stan. Miotkowski |