The 631st Field Artillery Brigade (United States) was a unit of the Mississippi National Guard until 2008. The unit was originally raised in 1917 in Grenada, Miss. as HHC, 1st Field Artillery.
If would be federalized as HHB, 140th Field Artillery in the 39th Infantry Division for World War I where it would earn a general campaign streamer without inscription. [1] It was demobilized and inactive from 1919-1926 when it would become HHB and Combat Train, 1st Battalion, 178th Field Artillery of 31st Infantry Division. It would be federalized again in 1940 and redesignated HHB, 114th Field Artillery Battalion. In World War II it would earn streamers for New Guinea and Southern Philippines in addition to a Philippine Presidential Unit Citation.
The unit would undergo an number or reorganizations and redesignations until 1968 when it would become the HHB, 631st Artillery Group and in 1978 as the HHB, 631st Field Artillery Brigade. The brigade would be deactivated in 2008. [2]