On July 2, Brig. Gen. Alexander Shaler's Brigade was sent into action as a support to the XII Corps on the right flank; several casualties also occurred in Brig. Gens. Henry L. Eustis's and Frank Wheaton's Brigades, of Newton's Division on the left. Wheaton's brigade helped stabilize that flank late in the day. (Newton left the corps, being assigned to command the I Corps, following the death of John F. Reynolds on the first day of the battle. Wheaton commanded the 3rd Division for the rest of the battle.)