This unit was attached to Brig. Gen. Hugh T. Reid's 1st Brigade, of Brig. Gen'l John McArthur's 6th Division, Maj. Gen. James B. McPherson's XVII Army Corps, and later Brig. Gen'l Hugh T. Reid's Post of Lake Providence (LA), in Brig. Gen'ls Jeremiah C. Sullivan's (relieved 6/3/63) and Elias S. Dennis' District of Northeast Louisiana, and commanded by Col. William Y. Roberts.