1st Louisiana Heavy Artillery, Company D
This unit was attached to the Marine Hospital Battery and commanded by Capt. Rufus J. Bruce. The Marine Hospital Battery was west of the Marine Hospital about 40 ft above the river, and mounted three 42-pdr smoothbore guns, two 32-pdr smoothbore guns and two 32-pdr rifled guns. [Refer to Edwin Bearss' The Vicksburg Campaign, Volume II, page 63.]
Did You Know?
The USS Cairo was only in service for 11 months before making history as the first U.S. marine vessel to be sunk by an electronically detonated mine.