Reuniting at Pottsville, Pennsylvania, the unit left Pennsylvania on March 14 and was at Annapolis, Maryland, until April. Seeing heavy action in the Overland Campaign, the regiment participated in the Battles of the Wilderness (May 5–7), Spotsylvania Court House (May 8–12), Stannard's Mills (May 21), North Anna (May 23–26), Line of the Pamunkey, (May 26–28), Totopotomoy Creek (May 28–31), Cold Harbor (June 1–12), and Bethesda Church (June 1–3).