In 1860 18th Regiment : Col George Holt, promoted to BG

Lt Col John L. Hughes, promoted to Col replacing Holt

Maj Mazarine J J Henderson (became Co Saline Rifle Rangers/Co C 3rd Ark Cav rose to rank

of Lt Col of 3rd Ark Cav

1861 18th Regiment: Col Stephen P. Steed

Lt Col Lewis F. Mauney

Lt Col S. Poe

Maj James L. P??S

Maj James Bale

66th Regiment Lt Col Caleb Fletcher

1862 18th Regiment Lt Col John F. McCray