Second Corps—Army of VirginiaCreated June 26, 1862, from the troops in the Department of the Shenandoah. It was commanded by Major-General N. P. Banks, and later by Brigadier-General A. S. Williams. It defeated Jackson at Cedar Mountain and fought in the other battles of the campaign. When the Army of Virginia was discontinued it was merged in the Twelfth Corps, Army of the Potomac.
Third Corps—Army of VirginiaCreated June 26, 1862, from the troops in the Department of the Rappahannock, previously the First Corps of the Army of the Potomac. It was commanded by Major-General Irvin McDowell and later by Brigadier-General J. B. Ricketts and Major-General Joseph Hooker. On the discontinuation of the Army of Virginia, it became again the First Corps of the Army of the Potomac.
Cavalry Corps—Army of the PotomacA cavalry division under Brigadier-General A. Pleasonton was organized in July, 1862, and was with the Army of the Potomac, until February, 1863, when the Cavalry Corps was created with Major-General George Stoneman at its head. Its other commanders were Brigadier-Generals A. Pleasonton, D. McM. Gregg, Major-General P. H. Sheridan, Brigadier-General A. T. A. Torbert, Brevet Brigadier-General William Wells, Major-Generals Wesley Merritt and George Crook. Two divisions were transferred to the Army of the Shenandoah in August, 1864, and remained with it until til March, 1865. At first, the corps numbered over eleven thousand men. It saw constant active service; its most important battle being the one at Beverly Ford, Virginia, on June 9, 1863. Its hardest fighting took place in the Wilderness campaign of 1864. The corps was broken up in May, 1865.
Albany, New York, March 6, 1831. After service in the West he became captain in May, 1861. He was on the staff of Halleck at Corinth, and in May, 1862, was made colonel of the Second Michigan Cavalry. Defeating Forrest's and repulsing Chalmer's superior force at Booneville, he was made brigadier-general of volunteers. In August, he defeated Falkner in Mississippi, and in September commanded a division in the Army of the Ohio, at Perryville and another in the Army of the Cumberland at Stone's River, for which service he was made major-general of volunteers and fought with great ability at Chickamauga and Missionary Ridge. In April, 1864, he was transferred to the command of the Cavalry Corps, Army of the Potomac, and in August he was put at the head of the Army of the Shenandoah and defeated Early at Cedar Creek. In December, 1864, he was made major-general in the regular army, lieutenant-general in March, 1869, and general June 1, 1888. He died in Nonquit, Massachusetts, August 5, 1888.
Georgetown, Delaware, July 1, 1833. He entered the Civil War as colonel of the First New Jersey Volunteers, and commanded a brigade in the Sixth Army Corps. He had command of a division in the Sixth Corps, March-April, 1864, after which he had a division in the Cavalry Corps, and was given command of the Corps on August 6, 1864. He resigned in 1866, with the brevet of major-general of volunteers and served as United States consul-general at Havana in 1871. September 30, 1880, he was drowned in the wreck of the ill-fated steamer Vera Cruz off the Florida coast.
Civil War, for the most part in the cavalry of the Army of the Potomac, where he rose to the command of the Cavalry Corps in the Shenandoah on January 26, 1865, and in the Army of the Potomac from March 25–May 22, 1865. After the war he served in various Indian campaigns, was superintendent of the United States Military Academy at West Point, and in May, 1898, was given command of the United States forces to be sent to the Philippines. He was first American military governor of those islands. He retired from the army in 1900 and died December 3, 1910.