Thomas R. Tannatt
Col. 1st Mass. Heavy Artillery | Apr. 15, 1863, to Aug. 11, 1863. | 1st Brigade, Defenses South of the Potomac, 11th and 20th U. S. Reserve Corps, Department of Washington | |
Col. 1st Mass. Heavy Artillery | Apr. 26, 1863, to May 25, 1863. | Defenses South of the Potomac, 11th and 20th U. S. Reserve Corps, Department of Washington | |
Col. 1st Mass. Heavy Artillery | Apr. 9, 1863, to Apr. 15, 1863. | Artillery Brigade Defences South of the Potomac, Twenty-Second Army Corps, Department of Washington | |
Col. 1st Mass. Heavy Artillery | March, 1864, to May 16, 1864. | 2d Brigade, Defenses South of the Potomac, 11th and 20th U. S. Reserve Corps, Department of Washington | |
Col. 1st Mass. Heavy Artillery | May 29, 1864, to June 16, 1864. | 2d Brigade, 3d Division, Second Army Corps, Army of the Potomac | |
Col. 1st Mass. Heavy Artillery | Sept. 16, 1863, to March 10, 1864. | 1st Brigade, Defenses South of the Potomac, 11th and 20th U. S. Reserve Corps, Department of Washington |