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Commanded by Brigadier General John J. Peck

The 3rd Brigade was recreated on July 5.

First Brigade Brig. Gen. Henry M. Naglee 
11th Maine Infantry Regiment Colonel Harris M. Plaisted
56th New York Infantry Regiment Colonel Charles H. Van Wyck
81st New York Infantry Regiment Colonel Edwin Rose
Lt. Colonel Jacob J. DeForest
98th New York Infantry Regiment Colonel William Dutton
100th New York Infantry Regiment Colonel James M. Brown
52nd Pennsylvania Infantry Regiment Colonel John C. Dodge
104th Pennsylvania Infantry Regiment Captain Edward Rogers
Second Brigade Brig. Gen. Henry W. Wessells (w 6/30)
85th New York Infantry Regiment Colonel Jonathan S. Belknap
92nd New York Infantry Regiment Colonel Jonah Sanford
Lt. Colonel Hiram Anderson, Jr.
96th New York Infantry Regiment Colonel James Fairman
85th Pennsylvania Infantry Regiment Colonel Joshua B. Howell
101st Pennsylvania Infantry Regiment Lt. Colonel David B. Morris
103rd Pennsylvania Infantry Regiment Major Audley W. Gazzon
Second Brigade Brig. Gen. Orris S. Ferry
39th Illinois Infantry Regiment from Rappahannock, Shields’ Div. 2 Brig. 7/5
13th Indiana Infantry Regiment from Rappahannock, Shields’ Div. 3 Brig. 7/5
62nd Ohio Infantry Regiment Colonel Francis B. Pond from Rappahannock, Shields’ Div. 2 Brig. 7/5
67th Ohio Infantry Regiment Colonel Otto Burstenbinder from Rappahannock, Shields’ Div. 2 Brig. 7/5
Artillery
Battery H, 1st New York Artillery Captain Joseph Spratt
7th New York Independent Battery Captain Peter C. Regan to Dept. VA, Camp Hamilton
8th New York Independent Battery Captain Butler Fitch