He led his regiment at the Battle of Fort Donelson and was wounded. At the Battle of Shiloh he was again wounded, in the head, shoulder, and left thigh while leading his men in the Hornet's Nest/Wicker field sector. In July 1862, he was promoted Brigadier General and commanded a brigade at the Battle of Richmond, Kentucky and also fought at Stones River and Chickamauga. At Chattanooga, he commanded the 1st Division of the IV Corps, led his division during the Atlanta Campaign and commanded a Provisional Division at the Battle of Nashville. For leadership and devotion to duty, he was brevetted Major General of US Volunteers on March 5, 1865. After the war, he pursued a legal career and practiced law until his death.