The unit was assigned in 1863 to the Union
XIX Corps of
Maj. Gen. Nathaniel P. Banks in the
Department of the Gulf. They participated in operations in Western Louisiana:
Fort Bisland,
Irish Bend, and
Vermilion Bayou in April, 1863 and in the
Siege of Port Hudson from May to July. The regiment participated in the
Red River Campaign from March to May, 1864. The unit left Louisiana and moved to
Fort Barrancas,
Florida in February 1865. It joined the campaign against
Mobile, Alabama. The regiment then marched to
Blakeley, across the Mobile River, taking control of its
Fort Blakeley, a major fort during the war. This completed Confederate defeat in the area. The unit mustered out on December 18, 1865. ==2nd Louisiana Regiment Cavalry==