< to January • February 1862 • to March >
Commanded by Brigadier General Samuel P. Heintzelman
| First Brigade | Brig. Gen. Israel B. Richardson | |
| 2nd Michigan Infantry Regiment | Colonel Orlando M. Poe | |
| 3rd Michigan Infantry Regiment | Colonel Stephen Champlin | |
| 5th Michigan Infantry Regiment | Colonel Henry D. Terry | |
| 37th New York Infantry Regiment | Colonel Samuel B. Hayman | |
| Second Brigade | Brig. Gen. John Sedgwck | |
| 3rd Maine Infantry Regiment | Colonel Henry G. Staples | |
| 4th Maine Infantry Regiment | Colonel Hiram G. Berry | |
| 38th New York Infantry Regiment | Colonel John H.H. Ward | |
| 40th New York Infantry Regiment | Colonel Edward J. Riley | |
| Third Brigade | Brig. Gen. C. D. Jameson | |
| 57th Pennsylvania Infantry Regiment | Col. William Maxwell (res. 2/27) Lt. Colonel Charles T. Campbell |
|
| 61st Pennsylvania Infantry Regiment | Colonel Oliver H. Rippey | to 4th Corps, 1 Div. 2 Brig. |
| 63rd Pennsylvania Infantry Regiment | Colonel Alexander Hays | |
| 99th Pennsylvania Infantry Regiment | Lt. Colonel William Seymour (to 2/25) Colonel Peter Fritz |
to Military District of Washington |
| 105th Pennsylvania Infantry Regiment | Colonel Amor A. McKnight | |
| Artillery and Cavalry | ||
| 1st Rhode Island Artilery, Battery E | ||
| 1st New Jersey Artillery, Battery B | ||
| 2nd United States Artillery, Battery G | ||
| 1st New Jersey Cavalry Regiment | Colonel William Halstead (disch. 2/18) Colonel Percy Wyndham |
to District Washington |