General David McMutrie Gregg CDV, half view, of the general in uniform. He was promoted to brigadier general just before the Battle of Fredericksburg. At the Battle of Gettysburg Gregg's division took up positions to protect the right flank and rear of the Union Army. Three miles east of Gettysburg Stuart's forces collided with Gregg's division and Custer's brigade of the Third Division. Back mark E. & H.T. Anthony, New York.