The flotilla included his flag ship Benton; the gunboat Essex; the ironclads DeKalb, Cairo, Carondelet, Cincinnati, Louisville, Mound City, Pittsburg, Choctaw, Lafayette, Chillicothe, Indianola and Tuscumbia; the Rodgers gunboats Conestoga, Lexington and Tyler; the Ellet rams Fulton, Horner, Lancaster, Lioness, Mingo, Monarch, Queen of the West, Sampson and Switzerland; the tinclads Brilliant, Cricket, Forest Rose, Glide, Juliet, Linden, Marmora, Petrel, Rattler, Romeo and Signal; the mortar boats Abraham, Clara Dolsen, Gen. Lyon, Grampus, Great Western, Judge Torrence, New National and Red Rover, and the dispatch boat William H. Brown.
Over the last two days, a large number of boats belonging to the West Gulf Squadron commanded by Rear Admiral David G. Farragut, passed the batteries at Port Hudson, Louisiana and steamed north to take part in the Vicksburg campaign.
These included the flagship, Hartford, and Mississippi, Monongahela, Richmond, Genesee, Kineo, Albatross, Estrella and Arizona. Also several various gunboats participated in some of the operations, including Alexandria, Argosy, Black Hawk, Champion, Covington, Curlew, Hastings, Exchange, Key West, Kenwood, Moose, New Era, Naumkeag, Pawpaw, Peosta, Prairie Bird, Queen City, Reindeer, St Clair, Silver Cloud, Silver Lake, Springfield, Tawah and Victory.