99th Infantry, US Colored Troops

Organized at New Orleans, La., August 27, 1863, as the 15th Regiment Infantry, Corps d'Afrique; designation changed to 5th Regiment Engineers, Corps d'Afrique, February 10, 1864; and to the above, April 4, 1864; consolidated into a battalion of five companies, April 23, 1866
Mustered out: April 23, 1866