and Bvt. Brig. Gens. John I. Gregg, and Charles H. Smith (The other two divisions of the cavalry corps had been detached from the Army of the Potomac to form the Army of the Shenandoah). Army of the James Defenses of Bermuda Hundred, under Maj. Gen. George L. Hartsuff, including the division of Bvt. Maj. Gen. Edward Ferrero and a separate brigade under Brig. Gen. Joseph B. Carr XXIV Corps, under Maj. Gen. John Gibbon, including the divisions of Brig. Gens. Robert S. Foster and Charles Devens, and an independent division of Bvt. Maj. Gen. John W. Turner. XXV Corps, under Maj. Gen. Godfrey Weitzel, including the divisions of Bvt. Maj. Gen. August V. Kautz and Brig. Gen. William Birney. Cavalry under Ranald S. Mackenzie, including the brigades of Col. Robert P. West and Col. Samuel P. Spear. Army of the Shenandoah Cavalry Corps, under Maj. Gen. Wesley Merritt, including the divisions of Brig. Gen Thomas C. Devin and Bvt. Major Gen. George A. Custer (The 2nd Division of the Cavalry Corps, under George Crook, remained attached to the Army of the Potomac). Confederate Lee's Confederate Army of Northern Virginia was comprised about 56,000 men and was organized into four infantry corps and a cavalry corps. Also under Lee's command in this campaign was the Department of Richmond, and the Department of North Carolina and Southern Virginia. First Corps, under Lt. Gen. James Longstreet, including the divisions of Maj. Gens. George E. Pickett, Charles W. Field, and Joseph B. Kershaw. Second Corps, under Maj. Gen. John B. Gordon, including the divisions of Maj. Gen. Bryan Grimes, and Brig. Gens. James A. Walker and Clement A. Evans. Third Corps, under Lt. Gen. A.P. Hill, including the divisions of Maj. Gens. William Mahone, Henry Heth, and Cadmus Wilcox. Fourth Corps, under Lt. Gen. Richard H. Anderson, including the division of Maj. Gen. Bushrod Johnson. Cavalry Corps, under Maj. Gen. Fitzhugh Lee, including the divisions of Col. Thomas Munford, and Maj. Gens. William H. F. Lee and Thomas L. Rosser. Department of Richmond, under Lt. Gen. Richard S. Ewell, including a division under Maj. Gen. George W. C. Lee. Department of North Carolina and Southern Virginia, under Brig. Gen. Henry A. Wise. Union offensive Lewis's Farm (March 29, 1865) Warren's V Corps, followed by Humphrey's II Corps, and further to the south, Sheridan's cavalry corps, moved south and west early on March 29,