He received his commission as brigadier general of U. S. volunteers on October 20, 1862, and commanded a division. In 1863, he returned to administrative duty, commanding the Districts of Nashville and Middle Tennessee. In early 1864, he superintended the defenses and organized the depot at Nashville.
He was appointed brigadier general of U.S. volunteers on October 20, 1862, and led a division. He later returned to administrative roles, commanding the Districts of Nashville and Middle Tennessee in 1863. In early 1864, he oversaw defenses and established the depot at Nashville.