81st Regiment Infantry U.S. Colored Troops

It primarily served at Port Hudson, Louisiana, and was mustered out on November 30, 1866.

The unit was stationed at Port Hudson, Louisiana, where it played a significant role in the Union's military operations in the region.

John F. Appleton of Maine served as the commanding officer of the 81st Regiment.

Despite its readiness and training, the regiment did not engage in direct combat during its service.

Its primary responsibilities involved garrison duties and support roles within the Union's military structure in Louisiana.