< to August • September 1864 • to October >
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 | to Dept WV Reserve Div. |
| 12th Maryland Infantry Regiment | to Dept WV Reserve Div. | |
| 195th Pennsylvania Infantry Regiment | Colonel William B. Thomas | to Dept WV Reserve Div. |
| 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 | Defences Baltimore | |
| 2nd United States Artillery, Battys. H&K | at Fort McHenry | |
| Third Separate Brigade | Brigadier General Henry H. Lockwood |
|
| 11th Maryland Infantry Regiment | mustered out 10/1 | |
| 8th Massachusetts Infantry Regiment | ||
| 193rd Pennsylvania Infantry Regiment | Colonel John B. Clark | |
| 194th Pennsylvania Infantry Regiment | Colonel James Nagle | |
| 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 |